Korat Royal Thai Air Force Base

Korat Royal Thai Air Force Base
Camp Friendship
Part of Royal Thai Air Force (RTAF)
Near Nakhon Ratchasima, Thailand

Aerial photograph of Korat RTAFB, 23 July 1987
Korat RTAFB
Location in Thailand
Coordinates 14°55′50″N 102°04′51″E / 14.93056°N 102.08083°E / 14.93056; 102.08083 (Korat RTAFB)Coordinates: 14°55′50″N 102°04′51″E / 14.93056°N 102.08083°E / 14.93056; 102.08083 (Korat RTAFB)
Site information
Owner Royal Thai Air Force
Operator Royal Thai Air Force
United States Air Force
Controlled by Pacific Air Forces (1964-1976)
Royal Thai Air Force (1955-1964; 1976-Present)
Site history
Built 1955 (1955)
In use 1955-Present
Battles/wars Vietnam War
Garrison information
Garrison Thirteenth Air Force (PACAF)
Occupants United States Advisory Forces (1964-1965)
6234th Tactical Fighter Wing (Provisional) (1965-1966)
388th Tactical Fighter Wing (1966-1976)
354th Tactical Fighter Wing (Deployed Tennant) (1972-1974)
347th Tactical Fighter Wing (Tennant) (1974-1975)
Airfield information
Identifiers IATA: VTUN
Elevation 222 metres (728 ft) AMSL
Runways
Direction Length and surface
06/24 9,843 yd (9,000 m) Concrete
Source: DAFIF[1]

Korat Royal Thai Air Force Base is a base of the Royal Thai Air Force in northeast Thailand, approximately 250 km (157 mi) northeast of Bangkok and about 8 km (5 mi) south of the centre of Nakhon Ratchasima (also known as "Khorat" or "Korat"), the second largest city in Thailand.

During the Vietnam War, from 1962 through 1975, Korat RTAFB was the largest front-line facility of the United States Air Force (USAF) in Thailand.

During the 1980s and early-1990s, the airfield was jointly operated as a civil airport for Nakhon Ratchasima. This ended with the opening of Nakhon Ratchasima Airport in the early-1990s.

Units

Korat RTAFB is the home of the 1st RTAF Wing, consisting of three (101, 102, 103) squadrons. The airfield has a single 9,800 + foot runway with a single, full-length parallel taxiway.

102 Squadron flies 15 F-16A-15ADF and one F-16B-15ADF Fighting Falcon air defense airplanes acquired from the USAF and delivered to the RTAF in 2003 and 2004. These airplanes were acquired under the code name "Peace Naresuan IV".

103 Squadron flies eight F-16A and four F-16B acquired under the code name "Peace Naresuan I", five F-16A (of six delivered) under the code name "Peace Naresuan XI", and three F-16A and four F-16Bs acquired from the Republic of Singapore Air Force and delivered in late 2004. All F-16s are the block 15 version.

A detachment of 1 UH-1H Iroquois helicopters from 203 Squadron, Wing 2 is also based at Korat.

Cope Tiger

Korat RTAFB is a major facility for the Cope Tiger exercises, an annual, multinational exercise conducted in two phases in the Asia-Pacific region.

Cope Tiger involves air forces from the United States, Thailand, and Singapore, as well as U.S. Marine Corps aircraft deployed from Japan. US naval aircraft have also been involved in Cope Tiger. The flying training portion of the exercise promotes closer relations and enables air force units in the region to sharpen air combat skills and practice interoperability with US forces. Pilots fly both air-to-air and air-to-ground combat training missions.

Participating American aircraft have included the A-10 Thunderbolt II, F-15C/D Eagles and F-15E Eagles, F/A-18A/C Hornets, F/A-18E/F Super Hornets, F-16C/D Fighting Falcons, E-3B/C Sentry Airborne Warning and Control Systems (AWACS) aircraft, KC-135 Stratotanker aerial refueling aircraft, C-130H Hercules airlift aircraft from 36 Airlift Squadron, and Sikorsky HH-60G Pave Hawk helicopters.

Thai Forces fly F-16A/B Fighting Falcons, F-5E Tigers and ground attack L-39's, and Alpha jets of 231 Squadron. Singaporean forces fly F-5Es, F-16C/D Fighting Falcons, Lockheed KC-130B Hercules, Grumman E-2C Hawkeye, Boeing CH-47SD Chinooks, and Eurocopter AS-532UL Cougars.

More than 1,100 people participate, including approximately 500 US service members and 600 service members from Thailand and Singapore.

Over the last few years, Cope Tiger has widened to include CSAR (Combat Search and Rescue) assets and in 2007 for the first time RTAFB Udon Thani was also used as a base during this exercise. These included a C-130E Hercules from 36 Airlift Squadron, 374 Airlift Wing (based at Yokota AB, Japan) in 2006,and a G-222 and a C-130H from the RTAF in 2007.

Since the 1980s United States Marine Corps F/A-18C Hornet fighters have used Korat as a base during Cobra Gold exercises.

History

1973 map of Korat Royal Thai Air Force Base (click on map for high resolution)

Korat Royal Thai Air Force Base was established in the 1950s as a Royal Thai Air Force Base. In 1961, the Kennedy administration feared a communist invasion or insurgency inside Thailand would spread from the Laotian Civil War. Political considerations with regards to the communist threat led the Thai government to allow the United States to covertly use five Thai bases for the air defense of Thailand and to fly reconnaissance flights over Laos under a "gentleman's agreement" with the United States,

An advisory force of Army personnel was sent to Thailand and their first reports indicated that significant infrastructure improvement in the country would be needed in order for US forces to land in the Gulf of Siam and move north to the expected invasion areas along the Mekong River between Laos and Thailand.[2]

The United States Army Corps of Engineers were deployed and established a headquarters at the RTAF airfield that later became Korat Air Base. The first facilities were built on the north side of the runway (14°56′22″N 102°04′59″E / 14.93944°N 102.08306°E / 14.93944; 102.08306 (Old Post)). They included a hospital, some barracks and some warehouses for equipment that was flown in using the existing runway.[2] Under the agreement, United States forces using Thai air bases were commanded by Thai officers. Thai air police controlled access to the bases, along with USAF Security Police, who assisted them in base defense using sentry dogs, observation towers, and machine gun bunkers. The Geneva Accords of 1962 ended the immediate threat, but both Camp Friendship and Korat Air Base were developed as part of the buildup of forces in Southeast Asia during the Vietnam War.[2]

The USAF mission at Korat RTAFB began in April 1962, when one officer and 14 airmen were temporarily assigned to the existing base as the joint US Military Advisory Group (JUSMAG). The army was engaged in the construction of Camp Friendship, a post south of the air base. Once completed, army forces moved into Camp Friendship, turning the facilities north of the Korat Air Base runway over to the Thai armed forces.[3]

South of the existing runway, construction of a large air base was begun to support a full USAF combat wing. In July 1964, approximately 500 airmen and officers were deployed to begin construction, and the completion of essential base facilities was completed by October 1964, although due to its primitive nature, the air force living area was known for several years as "Camp Nasty" in counterpoint to the Army facility at Camp Friendship.[3] The army retained a portion of the aircraft parking ramp for logistical support of Camp Friendship. The APO for Korat RTAFB was APO San Francisco, 96288

US advisory forces

36th Tactical Fighter Squadron F-105D having MK-82 500 pound bombs being loaded prior to a mission, Korat, 1964

The first USAF units at Korat were under the command of the US Pacific Air Forces (PACAF). Korat was the location for TACAN station Channel 125 and was referenced by that identifier in voice communications during air missions. The mission of the USAF at Korat was to conduct operations in support of US commitments in Southeast Asia: North Vietnam, South Vietnam, Cambodia, and Laos. During the Vietnam War, pilots from Korat RTAFB primarily flew interdiction, direct air support, armed reconnaissance, and fighter escort missions.[3]

In response to the Gulf Of Tonkin Incident on 31 July 1964, the 6441st Tactical Fighter Wing at Yokota Air Base, Japan deployed 18 F-105D "Thunderchiefs" of the 36th Tactical Fighter Squadron to Korat on 14 August and commenced operations the following day. The 36th TFS remained at Korat until 29 October then returned to Japan. It was replaced by the 469th Tactical Fighter Squadron, also flying F-105Ds, which was deployed from the 388th Tactical Fighter Wing, then at McConnell AFB, Kansas. From 30 October through 31 December 1964, F-105s from the 80th Tactical Fighter Squadron were deployed from the 41st Air Division, Yokota AB, Japan.[3]

In December 1964, the 44th Tactical Fighter Squadron deployed to Korat from Kadena AB, Okinawa. The 44th would rotate pilots and personnel to Korat on a TDY (temporary duty) basis from 18 December 1964 – 25 February 1965, 21 April–22 June 1965, and 10–29 October 1965.[3]

The 44th TFS returned to Kadena AB, Okinawa and assignment to the 18th TFW, but on 31 December 1966, it became only a paper organization without aircraft. The high loss rate of the F-105s in the two combat wings at Korat and Takhli RTAFB required the squadron to send its aircraft to Thailand as replacement aircraft. The 44th remained a "paper organization" until 23 April 1967, when it returned to Korat, absorbing the personnel, equipment and resources of the 421st TFS.

6234th Tactical Fighter Wing (Provisional)

18th Tactical Fighter Wing F-105s deploying to Korat RTAFB, Thailand 1965 Republic F-105D-25-RE Thunderchief 61-0204 identifiable, was retired to MASDC as FK0009, 7 Oct 1976.
67th TFS Republic F-105D-25-RE Thunderchief 61-0217. On 16 Sep 1965 Lt Col James Robinson Risner was flying this aircraft from Korat on a mission over Route Pack 4 when he was shot down by anti-aircraft artillery. He ejected successfully and became a prisoner of war. He was released in March 1973.

In April 1965, the 6234th Air Base Squadron was organized at Korat as a permanent unit under the 2d Air Division to support the TDY fighter units and their operations. This squadron was in existence until the end of April when it was discontinued and the 6234th Combat Support Group, the 6234th Support Squadron, and the 6234th Material Squadron were designated and organized as a result of a 3 May 1965 Pacific Air Forces (PACAF) special order.[3]

The 6234th Tactical Fighter Wing (Provisional) was activated in April 1965 as part of the 2d AD with Colonel William D. Ritchie, Jr. as commander. The wing had responsibility for all air force units in Thailand until permanent wings were established at other bases.[3]

Known deployed squadrons to Korat attached to the 6234th TFW were:

In 1965, the 6234th TFW and its subordinate units operating F-100s, F-105s, and F-4Cs flew 10,797 sorties totalling 26,165 hours. The wing's efforts merited the Presidential Unit Citation in March 1968.[3]

388th Tactical Fighter Wing

34th TFS F-105D Thunderchiefs (JJ Tail Code) of the 388th TFW undergo nighttime maintenance inside the big hangar at Korat in 1968. The large hangar sheltered the aircraft and its ground crews from intense tropical sunshine and heavy rains.

After a series of TDY deployments of F-105s to Korat, on 8 April 1966 the 388th Tactical Fighter Wing was permanently reassigned to Korat from McConnell AFB, Kansas in a name-only transfer to replace the provisional PACAF 6234th TFW. Upon activation the 388th absorbed the personnel and resources of the 6234th which was inactivated.

By 1967, Korat RTAFB was home to as many as 34 operating units and about 6,500 USAF airmen. Korat also housed components of the Royal Thai Air Force, and a complement of Royal New Zealand Air Force (RNZAF) Bristol Freighters. The annual cost for base operations and maintenance was about US$12,000,000. The monthly average expenditure for munitions was on the order of US$4,360,000.

F-105 Thunderchief operations

The 388th TFW initially consisted of two F-105 Thunderchief squadrons, the 421st Tactical Fighter Squadron and 469th Tactical Fighter Squadron (Tail Code: JV). On 15 May 1966 the 44th Tactical Fighter Squadron (Tail Code: JE) was permanently attached to the 388th. The 421st and 469th Tactical Fighter Squadrons flew single-seat F-105Ds, while the 44th flew the two-seat F-105F.[3]

Approximately 50 F-105Ds on the flightline at Korat, 1 July 1968. KC-135s from U-Tapao are parked in the background.
Republic F-105D-6-RE Thunderchief Serial 59-1758 of the 44th Tactical Fighter Squadron - deployed to Korat Royal Thai Air Force Base from Kadena AB, Okinawa, 1965. This aircraft was shot down over Laos 12/5/1967. Pilot KIA.
34th TFS Republic F-105D 60-0518

Also on 15 May, an F-4C Phantom II squadron, the 34th Tactical Fighter Squadron (Tail Code: JJ) and an F-105F squadron, the 13th Tactical Fighter Squadron were deployed and permanently attached to the 388th from the 347th TFW, Yokota AB, Japan and Kadena AB, Okinawa.[3]

The 388th TFW lost 48 aircraft in combat during 1967. Seven others were lost due to non-combat reasons. Forty-three pilots and electronic warfare officers (EWO) were listed as killed (KIA) or missing in action (MIA). Fifteen were rescued.[3]

The Thunderchief made an excellent tactical bomber. The internal bomb bay had originally been designed for nuclear weapons, but for operations in Southeast Asia, the internal bay of the F-105D rarely carried any ordnance, usually being fitted with a 365-gallon auxiliary fuel tank. With the exception of the ammunition for the M61A1 cannon, all the ordnance was carried externally. With multiple ejector racks the F-105D could carry an impressive load of external fuel, ECM gear, and up to eight 750-pound bombs on long-range missions. On short-range missions, it could carry sixteen 750-pound bombs. Alternative combat loads were two 3000-pound bombs or three drop tanks. On a typical mission over North Vietnam, the F-105D would carry six 750-pound bombs or five 1000-pound bombs, along with two 450 US-gallon drop tanks. The D could also carry the Martin AGM-12 Bullpup air-to-surface missile, but this weapon was to prove almost useless in Vietnam against hardened targets. The F-105D could carry 2.75-inch rocket pods, napalm canisters, as well as four AIM-9 Sidewinder infrared homing air-to-air missiles. The M61A1 Gatling-type 20-mm cannon proved invaluable in the dual role of air-to-air combat and ground strafing.

When approaching Hanoi from Thailand, the F-105Ds had to cross "Thud Ridge", the name given by Thunderchief pilots to a series of hills between the Red and Black Rivers. Once over "Thud Ridge", the F-105s would approach their targets low and fast, an environment in which the F-105D excelled. Maneuverability and stability during low-level, high-speed flight were excellent due to the aircraft's high wing loading.

The high attrition rate of F-105Ds in Southeast Asian operations soon became a problem. The conversion of USAFE units to the F-4D Phantom enabled some of the European-based F-105Ds to be transferred to Southeast Asia, but this was not sufficient to offset the heavy attrition rate. On 23 April 1967, the 421st TFS was re-designated the 44th Tactical Fighter Squadron. In October 1967 the 44th TFS absorbed the mission and makeup of 13th TFS. The 13th was transferred to Udorn RTAFB to become an F-4D Phantom unit. Its aircraft and personnel were absorbed by the 44th TFS. With these re-organizations, the 44th TFS possessed both D and F model Thunderchiefs. The squadron's primary mission became one of flying escort to the wing's regular strike force to suppress anti-aircraft artillery (AAA) and surface-to-air missile (SAM).[3]

Wild Weasels

For more details on this topic, see Wild Weasel.
388th Tactical Fighter wing F-105F Wild Weasel aircraft, flying from Korat RTAFB, Thailand, 1972 Republic F-105F-1-RE Thunderchief 63-8265 17th WWS (JB) Aircraft later converted to F-105G crashed at George AFB, California on failed takeoff. Burned but both crew members survived. Retired to MASDC as FK0092 Nov 11, 1982 and then sent to Torrejon AB in Spain for ABDR use. Republic F-105F-1-RE Thunderchief 62-416 Detachment 1, 561st TFS (WW) Aircraft later converted to F-105G. Now on display at Plant 42, Palmdale, CA, now the Joe Davies Heritage Air Park
F-105G (S/N 63-8320) of the 561st Tactical Fighter Squadron, 388th Tactical Fighter Wing, over Southeast Asia in the summer of 1972. Aircraft scored three MiG kills in Vietnam. Converted to F-105G in 1972.
A 67th TFS EF-4C over North Vietnam, 1972.

The Wild Weasel concept was originally proposed in 1965 as a method of countering the increasing North Vietnamese SAM threat, using volunteer crews. The mission of the Wild Weasels was to eliminate communist surface-to-air missile sites in North Vietnam. F-105F/G "Wild Weasel" SAM Anti-Radar squadrons assigned to the 388th TFW were:

Activated at Korat, aircraft being deployed from the 41st Air Division in Japan
Inactivated October 1967, aircraft assigned to 44th TFS.
Designation reassigned to 8th TFW , Udorn RTAFB and reequipped with F-4Ds.
Formed with F-105Fs transferred from inactivating 333d, 354th and 357th TFS at Takhli RTAB 24 September 1970, Aircraft at Korat in TDY status from 18th TFW, Kadena AB, Okinawa
Re-designated: 6010th Wild Weasel Squadron and PCS to 388th TFW: 1 November 1970 (Recoded as tail code JB)
Re-designated: 17th Wild Weasel Squadron: 1 December 1971 – 15 November 1974
F-105G Thunderchief, November 1970-December 1974 (later equipped with F-105G)
TDY from George Air Force Base California, F-105G Thunderchief, 2 January 1973-5 September 1973

In early 1966, standard F-105Ds with no special electronic countermeasures (ECM) equipment accompanied F-100 Wild Weasel I aircraft equipped with basic ECM equipment. In general, the F-100 would identify the SAM site and the F-105Ds would fly the strike. The mission gradually evolved with the addition of new weapons and ECM equipment until the F-4 Phantom II replaced the F-100 and the F-105D was replaced by the more capable and specialized two-place F-105F and -G models.

The tactics employed on the Iron Hand missions were primarily designed to suppress the SA-2 and gun-laying radar defenses of North Vietnam during the ingress, attack, and egress of the main strike force. In the suppression role, AGM-45 Shrike missiles were employed to destroy, or at least harass, the SA-2 and/or fire control radar which guided the SA-2 missiles.

On 23 April 1967 the 44th TFSs' primary mission became one of flying escort to the wing's regular strike force to suppress anti aircraft artillery (AAA) and surface-to-air missile (SAM) as a Wild Weasel squadron.

The 12th Tactical Fighter squadron was equipped with the F-105G and was temporarily reassigned to Takhli in June 1967. The detachment returned to its main unit at Korat and the 44th TFS was returned to Korat in September 1970 from the 355th TFW to the 388th TFW when the decision was made to consolidate the units of the Wild Weasel mission. With their return, the 6010th Wild Weasel Squadron was formed. The 6010th TFS's aircraft flew with tail code "ZB". The squadron was redesignated the 17th Wild Weasel Squadron on 1 December 1971 and its aircraft recoded "JB".

In February 1972, the 67th TFS returned on temporary duty to Korat from Kadena AB, this time being equipped with the EF-4C aircraft. The EF-4C was the initial Wild Weasel version of the Phantom. It was a modified version of the F-4C, designed in parallel with the F-105G Wild Weasel program. The EF-4Cs suffered from certain deficiencies which limited their combat effectiveness. For example, they were unable to carry the standard ARM. Consequently, the EF-4C was seen only as an interim Wild Weasel aircraft, pending the introduction of a more suitable type. In February 1973, after the end combat operations in Vietnam, the 67th TFS with its EF-4C "Wild Weasels" were withdrawn and returned to Kadena.

F-4 Phantom II operations

McDonnell F-4E-32-MC Phantom Serial 67-0299 of the 34th Tactical Fighter Squadron
469th TFS McDonnell F-4E Phantom 66-301

In mid-1968 it was decided to make the 388th an F-4 wing, and also to equip the 388th with the new F-4E and the F-105s would be transferred to Takhli and all of the Thuds in the fighter-bomber mission would be consolidated there. The Wild Weasels would remain at Korat along with the F-4s in their specialized mission.

The main difference with the F-4E model was the addition of an internal M61 cannon. The F-4C and D models previously in use had shown some serious drawbacks in the initial air-to-air battles over Vietnam. The earlier Sparrow, Falcon, and Sidewinder air-to-air missiles did not perform up to expectations. They were expensive, unreliable, and vulnerable to countermeasures. Many an enemy MiG was able to escape unscathed because a Phantom-launched missile malfunctioned and missed its target. The Phantoms could carry a podded cannon mounted on the centerline, but it was relatively inaccurate, caused excessive drag which reduced the performance of the Phantom carrying it, and took up a valuable ordnance/fuel station.

On 17 November 1968, an F-4E Phantom squadron from Eglin AFB, Florida, replaced the single-seat F-105D Thunderchiefs of the 469th TFS. The new Phantom squadron, the first E-models in Thailand, retained the designation 469th TFS.

On 10 May 1969, the 34th Tactical Fighter Squadron was transferred organizationally to the 347th TFW at Yokota AB, Japan, but it remained attached to the 388th TFW at Korat. It was re-equipped with F-4Es on 5 July.

On 15 May 1969, the F-105-equipped 44th Tactical Fighter Squadron was transferred and reassigned to the 355th TFW at Takhli Royal Thai Air Force Base. June 1972 4104 ARefS Prov. was assigned to Korat. KC-135 from 305 ARefS, Grissom AFB. Later in 1972 relocated to UT On 12 June 1972, the 35th Tactical Fighter Squadron flying F-4Ds was deployed from the 3rd TFW, Kunsan Air Base, South Korea, in a "Constant Guard" redeployment to support operations over North Vietnam during Linebacker. They remained until 10 October 1972 when they returned to Korea.

College Eye Task Force

Emblem of the 553d Reconnaissance Wing
The "College Eye" facilities at Korat.

An expansion of combat operations from Korat initiated with the arrival of EC-121 Warning Stars of the College Eye Task Force (later designated Det 1, 552d Airborne Early Warning and Control Wing) from Ubon RTAFB, and Batcats of the 553d Reconnaissance Wing. The initial College Eye support team personnel arrived at Korat on 20 September 1967. Less than a month later, on 17 October the first seven EC-121D aircraft redeployed from Ubon, followed two days later by the arrival of the Batcat EC-121Rs.

The College Eye EC-121Ds provided airborne radar coverage and surveillance in support of aircraft flying combat operations. Combat reconnaissance missions of the 552d resumed on 25 November 1967. These missions normally required the aircraft to be on station for eight hours. Including transit time to and from station, an average flight was typically about 10 hours, and the force ranged between five and seven aircraft at any one time.

A "College Eye" EC-121D takes off from Korat with an "Batcat" EC-121R in the foreground.

The mission of the 20 Batcats was to interdict and reduce the flow of supplies from North Vietnam down the Ho Chi Minh trail to the NVA soldiers and Viet Cong insurgents in South Vietnam. Their primary objective was to create an anti-vehicle barrier. If the vehicles could be stopped, then a major quantity of enemy supplies would be halted.

While enemy vehicle traffic was the primary target, it was also intended to detect individuals walking down the Ho Chi Minh Trail. To assist with detection of individuals, small bomblets were dropped along the trail. When someone stepped on a bomblet it would detonate, and this small explosion was picked up by the sensors.

In November 1970, the 553d RW was inactivated. The 554th RS transferred to Nakhon Phanom RTAFB to operate QU-22 "Baby Bats", while the 553rd RS remained at Korat with 11 Batcats until December 1971, when it returned to Otis AFB, Massachusetts.

Det. 1 remained at Korat until June 1970, when it left Thailand. It returned in November 1971, now known as "Disco", after MiGs threatened B-52 and other aircraft operating in southern Laos. It remained at Korat, supporting Operation Linebacker, Linebacker II and other USAF operations, until 1 June 1974, when it returned to McClellan AFB, California.

B-66 Destroyer operations

Headquarters of the 42d Tactical Electronic Warfare Squadron
Douglas RB/EB-66B-DL Destroyer Serial Number 54-0443 of 42d Tactical Electronic Warfare Squadron

NATO-based B-66Bs from USAF units based in France were transferred to Thailand and were used during the Vietnam War as electronic warfare aircraft, joining strike aircraft during their missions over North Vietnam to jam enemy radar installations. They were not "Wild Weasel" aircraft, since they did not have the means to attack radar installations directly.

In November 1970, the 42nd Tactical Electronic Warfare Squadron (TEWS), which flew EB-66s, transferred to Korat from Takhli. The EB-66C/E flew radar and communications jamming missions to disrupt enemy defenses and early warning capabilities.

The crew consisted of seven airmen: pilot, navigator, gunner, plus four additional crew members who sat inside a pressurized compartment that replaced the camera/bomb bay. The basic three crew members in the front used upward-firing ejector seats, whereas the four additional ECM operators used downward-firing ejector seats. An extensive suite of specialized equipment was fitted to locate and identify enemy radar emissions. Additional ECM equipment was carried in wingtip pods. Chaff dispensing pods could be carried underneath the wing outboard of the engine nacelles. Later examples had the tail turret removed and replaced by additional ECM equipment installed in an extended tailcone.

On 2 April 1971, a EB-66C (Bat 21) was shot down over South Vietnam near the DMZ during the Easter Offensive. Lt Col. Iceal "Gene" Hambleton was the only crew member able to eject, which set into motion an 11 1/2 day search and rescue operation. His survival behind enemy lines and eventual rescue by Navy SEAL Thomas R. Norris and ARVN commando Nguyen Van Kiet was dramatized in the movie Bat*21.

Airborne command and control mission

Lockheed C/EC-130E-LM Hercules Serial 62-1857 of the 7th ACCS at Korat, 10 May 1974. This aircraft survived the Vietnam War and was converted to C-130E-II, later to be redesignated EC-130E in 1976. Later, this aircraft served as an EC-130E Airborne Battlefield Command and Control Center (ABCCC) aircraft at Davis-Monthan AFB, Arizona (1999)

On 1 December 1971 the 7th Airborne Command and Control Squadron (ACCS) was assigned to the 388th TFW from Udon RTAFB and began flying missions in its EC-130E "Hercules" aircraft, (Tail Code JC) which were equipped with command and control capsules.

The 7th ACCS played an important role in the conduct of air operations. During the action in Southeast Asia, the squadron had a minimum of two aircraft airborne 24 hours a day directing and coordinating the effective employment of tactical air resources throughout SEA. Its aircraft functioned as a direct extension of ground-based command and control authorities, the primary mission was providing flexibility in the overall control of tactical air resources. In addition, to maintain positive control of air operations, the 7th ACCS provided communications to higher headquarters. The battle staff was divided into four functional areas: command, operations, intelligence, and communications. Normally, it included 12 members working in nine different specialties. Radio call signs for these missions were "Moonbeam", "Alleycat", "Hillsboro", and "Cricket".

A-7D Corsair II

A-7Ds of the 354th Tactical Fighter Wing at Korat, 1972
3d Tactical Fighter Squadron A-7D Corsair II 70-0983 and 71-0311 in flight

On 29 September 1972, the 354th Tactical Fighter Wing, based at Myrtle Beach AFB South Carolina, deployed 72 A-7D Corsair II of the 355th, 353rd and 354th Tactical Fighter Squadrons and the 356th Tactical Fighter Squadron to Korat for a 179-day temporary duty (TDY). By mid-October, 1,574 airmen from Myrtle Beach had arrived as part of "Constant Guard IV".

In addition to strike missions during Operations Linebacker and Linebacker II, A-7Ds of the 354th assumed the combat search and rescue "Sandy" role from the A-1 Skyraider in November 1972 when the remaining Skyraiders were transferred to the Vietnamese Air Force. In addition, the 354th deployed some personnel to Bien Hoa Air Base, South Vietnam. The 354th generated about 50 sorties each day.

In March 1973 A-7D aircraft were drawn from the deployed 354th TFW squadrons and assigned to the 388th TFW as the 3d Tactical Fighter Squadron (Tail Code JH). Some TDY personnel from the 354th TFW were assigned to the 388th and placed on permanent party status.

The 354th TFW Forward Echelon at Korat also became a composite wing. Along with the Myrtle Beach personnel, elements of the 355th Tactical Fighter Wing from Davis-Monthan AFB Arizona (Tail Code DM) were deployed to support the A-7D aircraft, being replaced by A-7Ds from the 23d Tactical Fighter Wing' from England AFB LA (Tail Code EL). These airmen rotated on 179-day assignments (the limit for TDY assignments) to Korat from these CONUS bases until early-1974.

1973 operations in Laos and Cambodia

The Paris Peace Accords were signed on 27 January 1973 by the governments of North Vietnam, South Vietnam, and the United States with the intent to establish peace in Vietnam. The accords effectively ended United States military operations in North and South Vietnam. Laos and Cambodia, however, were not signatories to the Paris agreement and remained in states of war with rebel forces.

The US was helping the Royal Laotian government achieve whatever advantage possible before working out a settlement with the Laotian communists and their allies.

The USAF flew 386 combat sorties over Laos during January and 1,449 in February 1973. On 17 April, the USAF flew its last mission over Laos, working a handful of targets requested by the Laotian government.

In Cambodia there was no peace in 1973. The USAF carried out a massive bombing campaign to stop the Viet Minh on the Ho Chi Minh Trail.

Congressional pressure in Washington grew against these bombings, and on 30 June 1973, the United States Congress passed Public law PL 93-50 and 93-52, which cut off all funds for combat in Cambodia and all of Indochina effective 15 August 1973. Air strikes by the USAF peaked just before the deadline, as the Cambodian Army engaged a force of about 10,000 Khmer Rouge rebels encircling Phnom Penh.

15 August 1973: last day of combat

At 1100 (local), 15 August 1973, the congressionally-mandated cutoff went into effect, bringing combat activities over the skies of Cambodia to an end. A-7 and F-4s from Korat flew strike missions sometimes less than 16 km (10 mi) from Phnom Penh that morning before the cutoff. The final day marked the conclusion of an intense 160-day campaign, during which the USAF expended 240,000 tons of bombs.

At Korat, two A-7D pilots from the 354th TFW returned from flying the last USAF combat mission over Cambodia. Members of the news media had arrived at the base earlier to mark this auspicious occasion. However, the A-7 pilots did not display the excitement that the journalists were expecting.

The Cambodian people did not understand why the United States would, on this arbitrary date, leave, especially after their request for assistance. This led to a faster takeover by the Khmer Rouge.

Consolidation and inactivation

428th Tactical Fighter Squadron General Dynamics F-111A 67-0075 taxiing at Korat RTAFB, Thailand in September 1974. Note the blue practice bombs being carried.
AC-130-LM Hercules Spectre Gunship 55-0029 of the 16th Special Operations Squadron flying from Korat RTAFB, Thailand, July 1974.
Korat RTAFB A-7D F-111 on Alert Ramp during SS Mayaguez Operation May 1975 429th TFS General Dynamics F-111A 67-096; 3d TFS Ling-Temco-Vought A-7D-10-CV Corsair II 71-0327

With the end of active combat in Indochina on 15 August 1973, the USAF began drawing down its Thailand-based units and closing its bases.

The 388th TFW entered into intensive training program to maintain combat readiness and continued to fly electronic surveillance and intelligence missions. The F-4 and A-7 aircraft practiced bombing and intercept missions in western Thailand. A large exercise was held on the first Monday of every month, involving all USAF units in Thailand. "Commando Scrimmage" covered skills such as dogfighting, aerial refuelling, airborne command posts and forward air controllers. These exercises were taken very seriously. The A-7D aircraft were pitted against the F-4 aircraft in dissimilar air combat exercises. These missions were flown as a deterrent to the communists in Vietnam as a signal that if the Paris Peace accords were broken, the United States would use its air power to enforce its provisions.

A draw down of forces in Thailand was announced in mid-1974. US forces would be withdrawn. With the closure of Takhli Royal Thai Air Force Base the 347th Tactical Fighter Wing and its two General Dynamics F-111 Tactical Fighter Squadron (428th and 429th) were moved to Korat on 12 July 1974. Later that month, the 16th Special Operations Squadron was moved to Korat from Ubon Royal Thai Air Force Base. This was an AC-130 "Spectre" gunship squadron.

The wars in Cambodia and Laos, however continued. With the political changes in the US during 1974, and the resignation of President Nixon, the air power of the United States at its Thailand bases did not respond to the collapse of the Lon Nol government to the Khmer Rouge in Cambodia during March 1975 nor to the takeover of Laos by the Pathet Lao. Ultimately, the North Vietnamese invasion of South Vietnam during March and April 1975 and the collapse of the Republic of Vietnam also was not opposed militarily by the US.

The only missions flown were aircraft of the 388th TFW providing air cover and escort during Operation Eagle Pull, the evacuation of Americans from Phnom Penh, Cambodia, and Operation Frequent Wind the evacuation of Americans and selected Vietnamese from Saigon, South Vietnam.

On 14–15 May 1975, aircraft assigned to Korat (3rd TFS A-7D, 34th TFS F-4E, 428th TFS F-111A and 16th SOS AC-130) provided air cover in what is considered the last battle of the Vietnam war, the recovery of the SS Mayaguez after it was hijacked by Cambodian communists.

The US ended its involvement in Southeast Asia by treaty and disengagement rather than by military victory. After the fall of Saigon, relations between Washington and Bangkok turned sour. In May 1975, the Royal Thai government asked the United States to remove all of its combat forces (27,000 troops, 300 aircraft) by 1976.

On 30 June 1975, the 347th TFW F-111As and their two squadrons (428th and 429th TFS) were inactivated. The F-111s were sent to the 422d Fighter Weapon Squadron at Nellis Air Force Base, Nevada. The 347th became an F-4E wing at Moody AFB, Georgia.

At the end of 1975, there were only three combat squadrons at Korat, consisting of 24 F-4Ds of the 34th TFS, 24 A-7Ds of the 3rd TFS, and six AC-130 "Spectre" aircraft of the 16th Special Operations Squadron.

After the departure of the 388th TFW, the USAF retained a small flight of security police at Korat to insure base security and to deter theft of equipment until the final return of the base to the Thai government.

The USAF officially turned Korat over to the Royal Thai Government on 26 February 1976.

Thai Air Force Use After 1975

After the US withdrawal in 1976, the Royal Thai Air Force consolidated the equipment left by the departing USAF units in accordance with government-to-government agreements, and the RTAF assumed use of the base at Korat. The American withdrawal had quickly revealed to the Thai government the inadequacy of its air force in the event of a conventional war in Southeast Asia. Accordingly, in the 1980s the government allotted large amounts of money for the purchase of modern aircraft and spare parts.

A Royal Thai Air Force Northrop F-5E Tiger II (USAF s/n 76-1673) taxies on the flight line at Korat Royal Thai Air Force Base.

Thirty-eight F-5E and F-5F Tiger II fighter-bombers purchased from the Northrop Corporation formed the nucleus of the Thai air force's defense and tactical firepower. The F-5Es were accompanied by training teams of American civilian and military technicians, who worked with members of the Royal Thai Air Force.

In addition to the F-5E and F-5F fighter-bombers, OV-10C aircraft, transports, and helicopters were added to the air force equipment inventory. In 1985 the United States Congress authorized the sale of the F-16 Fighting Falcon fighter to Thailand.

By the late 1980s, Korat, Takhli, and Don Muang RTAFB outside Bangkok, which the Royal Thai Air Force shared with civil aviation, were the primary operational holdings of the RTAF. Maintenance of the facilities at other bases abandoned by the United States (Ubon, Udorn) proved too costly and exceeded Thai needs and were turned over to the Department of Civil Aviation for civil use. NKP and U-Tapao were placed under the control of the Royal Thai Navy. Nonetheless, all runways on the closed or transferred airfields were still available for military training and emergency use.

Major USAF units assigned

354th Tactical Fighter Wing (Deployed) Headquarters

USAF aircraft assigned

Camp Friendship (United States Army)

Emblem of USARSUPTHAI
Emblem of the 44th Engineer Group (Construction)

Adjacent to Korat RTAFB to the south was United States Army Camp Friendship. It was a separate facility which pre-dated Korat RTAFB.[5]

Camp Friendship was initially set up as a forward operating base for equipment storage of the 25th Infantry Division, which would have deployed to Thailand in the event of invasion. The air force would be able to airlift the division into Korat where they could pick up their equipment and move into battle.[2]

Camp Friendship was assigned to the US Army Support Command Thailand (USARSUPTHAI), part of the Army Military Assistance Command Thailand (MACTHAI). The host unit was the 44th Engineer Group (Construction), part of the 9th Logistics Command.[5] It was a large facility (larger than Korat RTAFB) complete with support offices, barracks for about 4,000 personnel, enlisted, NCO, and officer clubs, a motor pool, a large hospital, athletic fields, and other facilities.[6] It was assigned APO San Francisco 96233.[6]

Its mission was to build roads and a support (logistics) network in support of US Army and US Air Force operations in Thailand by executing the troop construction portion of the military construction program, performing engineer reconnaissance, and accomplishing civil action projects as resources permitted.[5][7] The group constructed the Bangkok By-Pass Road, a 95 km asphalt highway between Chachoengsao and Kabin Buri, which was opened in February 1966. For their performance in the construction of this road (now Route 303), the 809th Engineer Battalion (Construction) and the 561st Engineer Company (Construction) were awarded Meritorious Unit Commendations.[6]

As soon as the Bangkok bypass road paving was completed, Company B moved to Sattahip to begin construction of Camp Vayama, a 1,000-man troop cantonment area which would eventually become part of a vast port and logistical complex.[6] Joined by Company C in the later part of May, construction continued. In August, the main portion of Company C was moved to Sakon Nakon where it built a troop cantonment area, a special forces camp, and a POL tank farm at Nakom Phanom (NKP) in support of the air force.[6]

Camp Friendship - Headquarters 1968.
Camp Friendship viewed from the air in 1964. Note the runway for Korat Air Base at the top of the photo, however much of the support base is not yet constructed.
General map of Camp Friendship (14°54′44″N 102°04′42″E / 14.91222°N 102.07833°E / 14.91222; 102.07833 (Camp Friendship))
70th Aviation Detachment (Army) Parking Ramp at Korat RTAFB
Basketball court and a mess hall, looking northeast at Benning Ave and Bataan Drive, 1970
Barracks at Camp Friendship, part of a group of five "H-type" open bay design south of Bataan Drive used by the air force in 1973

On 3 January 1967, Company C returned to Phanom Sarakam to begin work on the "inland road", a 122-kilometer, all weather highway which would connect the Port of Sattahip with the Bangkok bypass road.[6] Upon its completion, the inland road became a vital contribution to the economic development of Thailand and served as an important link in the supply and communication lines between the Gulf of Siam and northeast Thailand.[6]

In 1970, the 44th Engineer Group was inactivated in Thailand as part of the draw down of United States forces in Southeast Asia. Camp Friendship closed as a separate facility in 1971 and much of the facility was turned over to the Royal Thai Army. After its closure, the Air Force retained some barracks and personnel support facilities. The 388th Tactical Fighter Wing used those parts of Camp Friendship for overflow of personnel assigned or deployed to it until the USAF turned Korat Air Base over to the Thai Air Force in early 1976.[6]

Today, Camp Friendship is a Royal Thai Army artillery base. Some of the old US facilities are still in use, and some new construction has also been erected.

Major organizations assigned to Camp Friendship were
[8]

See also

Wikimedia Commons has media related to Korat Royal Thai Air Force Base.
Wikimedia Commons has media related to Camp Friendship (United States Army).

References

 This article incorporates public domain material from websites or documents of the Air Force Historical Research Agency.

  • Endicott, Judy G. Active Air Force wings as of 1 October 1995; USAF active flying, space, and missile squadrons as of 1 October 1995. Maxwell AFB, Alabama: Office of Air Force History, 1999. CD-ROM.
  • Glasser, Jeffrey D. The Secret Vietnam War: The United States Air Force in Thailand, 1961-1975. McFarland & Company, 1998. ISBN 0-7864-0084-6.
  • Martin, Patrick. Tail Code: The Complete History of USAF Tactical Aircraft Tail Code Markings. Schiffer Military Aviation History, 1994. ISBN 0-88740-513-4.
  • Logan, Don. The 388th Tactical Fighter Wing: At Korat Royal Thai Air Force Base, 1972. Atglen, Pennsylvania: Schiffer Publishing, 1997. ISBN 0-88740-798-6.
  • Ravenstein, Charles A. Air Force Combat Wings Lineage and Honors Histories, 1947-1977. Maxwell AFB, Alabama: Office of Air Force History, 1984. ISBN 0-912799-12-9.
  • USAAS-USAAC-USAAF-USAF Aircraft Serial Numbers--1908 to present
  • The Royal Thai Air Force (English Pages)
  • Royal Thai Air Force - Overview

Footnotes

  1. ↑ Airport information for VTUN at World Aero Data. Data current as of October 2006.Source: DAFIF.
  2. 1 2 3 4 History of US Army Support Command Thailand (USARSUPTHAI)
  3. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Korat Royal Thai Air Force Base, Historical Brief, Prepared by HQ, United States Air Force, Pacific Air Forces
  4. ↑ YGBSM, The Story Of The First U.S. SAM-Hunters in Vietnam
  5. 1 2 3 Vietnam Order of Battle © - Shelby L. Stanton
  6. 1 2 3 4 5 6 7 8 44th Engr Group website
  7. ↑ 44th Engineer Group inactivation orders, January, 1970
  8. ↑ Camp Friendship Unit Listing

External links

Korat squadron links

Other Korat links

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