| Squadron | Shield | Location | Nickname | System | Note |
| 1st Space Control Squadron[4] | | Vandenberg AFB | | Satellite Catalog | |
| 4th Space Control Squadron[5] | | Holloman AFB | "Space Pirates" | Counter Communications System[6] | |
| 16th Space Control Squadron | | Peterson AFB | | RAIDRS | | |
| 20th Space Control Squadron | | Eglin AFB | | AN/FPS-85 Phased-array radar | | |
| 25th Space Range Squadron | | Schriever AFB | "Executioners" | Space Test & Training Range | | |
| 76th Space Control Squadron | | Peterson AFB | "Lobos" | Counter Communications System[7] | | |
| 380th Space Control Squadron[8] | | Peterson AFB | "Blue Squadron" | RAIDRS[9] |
Reserve Unit |
| Space Test and Development Squadrons |
| Squadron | Shield | Location | Nickname | System | Note |
| 1st Air and Space Test Squadron | | Vandenberg AFB | | | |
| 14th Test Squadron | | Peterson AFB | | | |
| 17th Test Squadron | | Peterson AFB | | | |
| Responsive Space Squadron |  | Kirtland AFB | | Operationally Responsive Space systems | Activated 2 Jun 2008 |
| Launch Test Squadron | | Kirtland AFB | | | |
| Launch and Operations Support Squadron | | Kirtland AFB | | | Activated 1 Aug 2006, inactivated 31 Mar 2008 |
| Space Development Squadron | | Kirtland AFB | | | Activated 2 Jun 2008 |
| Space Test Operations Squadron | | Kirtland AFB | | C2/TT&C | Activated 2 Jun 2008 |
| Space Test Squadron | | Kirtland AFB | | |
| Space Experimentation Squadrons |
| Squadron | Shield | Location | Nickname | System | Note |
| 3d Space Experimentation Squadron | | Schriever AFB | | |
| Space Launch Squadrons |
| Squadron | Shield | Location | Nickname | System | Note |
| 1st Space Launch Squadron | | Cape Canaveral AFS | | Delta II | |
| 2d Space Launch Squadron | | Vandenberg AFB | | Atlas III/Titan IV | Inactivated 2005 |
| 3d Space Launch Squadron | | Cape Canaveral AFS | | Atlas III/Titan IV | Inactivated 2005 |
| 4th Space Launch Squadron | | Vandenberg AFB | | EELV | |
| 5th Space Launch Squadron[10] | | Cape Canaveral AFS | | EELV | |
| Space Operations Squadrons |
| Squadron | Shield | Location | Nickname | System | Note |
| 1st Space Operations Squadron | | Schriever AFB | | On-orbit C2 for DSP/GPS/MSX/ACE | Future C2 of Space Based Surveillance System |
| 2d Space Operations Squadron | | Schriever AFB | | GPS | |
| 3d Space Operations Squadron | | Schriever AFB | | DSCS/WGS | |
| 4th Space Operations Squadron | | Schriever AFB | | Milstar | |
| 5th Space Operations Squadron | | Onizuka AFS | | DSCS III/NATO IV/Skynet/Inertial Upper Stage | Inactivated |
| 6th Space Operations Squadron | | Schriever AFB | | DMSP | Reserve unit |
| 7th Space Operations Squadron | | Schriever AFB | | On-orbit C2 for DSP/GPS/MSX | Reserve unit |
| 8th Space Operations Squadron | | Falcon AFB | | DMSP | Redesignated 8th Space Warning Squadron |
| 9th Space Operations Squadron | | Vandenberg AFB | | Joint Space Operations Center | Reserve unit |
| 19th Space Operations Squadron | | Schriever AFB | | GPS | Reserve associate to 2 SOPS |
| 21st Space Operations Squadron | | Onizuka AFS | "Dust Devils" | AFSCN | |
| 22d Space Operations Squadron | | Schriever AFB | | AFSCN | |
| 23d Space Operations Squadron | | New Boston AFS | | AFSCN | Remote Tracking Station |
| 111th Space Operations Squadron | | Phoenix, AZ | | Near-space operations | ANG unit |
| 148th Space Operations Squadron | | Vandenberg AFB | | Milstar | ANG unit; associate to 4th Space Operations Squadron |
| Space Surveillance Squadrons |
| Squadron | Shield | Location | Nickname | System | Note |
| 1st Space Surveillance Squadron | | Griffiss AFB | | Low Altitude Space Surveillance | Inactivated |
| 3d Space Surveillance Squadron | | Misawa AB | | Deep Space Tracking System[11] | Redesignated 3d Space Experimentation Squadron |
| 4th Space Surveillance Squadron | | Holloman AFB | | Deep Space Tracking System[12] | Renamed 4th Space Control Squadron |
| 5th Space Surveillance Squadron | | RAF Feltwell | | Deep Space Tracking System[13] | Redesignated Det 4, 18th Intelligence Squadron |
| 16th Space Surveillance Squadron | | Shemya AFS | | AN/FPS-108 COBRA DANE | Renamed 16th Space Control Squadron |
| 17th Space Surveillance Squadron | | RAF Edzell | "Eternal Vigilance" | Low Altitude Space Surveillance | Inactivated |
| 18th Space Surveillance Squadron |  | Edwards AFB | | GEODSS | Inactivated |
| 19th Space Surveillance Squadron |  | Pirinclik, Turkey | | AN/FPS-17 radar | Inactivated |
| 20th Space Surveillance Squadron | | Eglin AFB | | AN/FPS-85 radar | Renamed 20th Space Control Squadron |
| Space Weather Squadrons |
| Squadron | Shield | Location | Nickname | System | Note |
| 55th Space Weather Squadron | | Schriever AFB | | | Inactivated |
| Space Warning Squadrons |
| Squadron | Shield | Location | Nickname | System | Note |
| 2d Space Warning Squadron | | Buckley AFB | | SBIRS/DSP | |
| 4th Space Warning Squadron | | Holloman AFB | | DSP | Inactivated; equipment transferred to 137 SWS |
| 5th Space Warning Squadron | | Woomera AS | | DSP | Inactivated |
| 6th Space Warning Squadron | | Cape Cod AFS | "Ever Aware" | PAVE PAWS | |
| 7th Space Warning Squadron | | Beale AFB | | PAVE PAWS | |
| 8th Space Warning Squadron | | Buckley AFB | | SBIRS/DSP | Previously at Eldorado AS with PAVE PAWS |
| 9th Space Warning Squadron | | Robins AFB | | PAVE PAWS | Inactivated |
| 10th Space Warning Squadron | | Cavalier AFS | | AN/FPQ-16 PARCS | |
| 11th Space Warning Squadron | | Buckley AFB | | SBIRS | |
| 12th Space Warning Squadron | | Thule AB | | PAVE PAWS | Previously used AN/FPS-50 BMEWS |
| 13th Space Warning Squadron | | Clear AFS | | PAVE PAWS | Previously used AN/FPS-50 BMEWS |
| 137th Space Warning Squadron | | Greeley ANGB | | SBIRS/DSP | Air National Guard unit |
| 213th Space Warning Squadron | | Clear AFS | | PAVE PAWS | ANG Counterpart to 13SWS |
| Weapons Squadrons (Space & ICBM) |
| Squadron | Shield | Location | Nickname | System | Note |
| 328th Weapons Squadron | | Nellis AFB | | Various | Teaches space-related curriculum at USAF Weapons School |