| WS-1A |
DMSP 5D-2 (Defense Meteorological Satellite Program) |
General Electric |
|
| WS-1B |
DMSP 5D-3 (Defense Meteorological Satellite Program) |
General Electric |
|
| WS-2A |
DMSP 6 (Defense Meteorological Satellite Program) |
|
cancelled |
| LS-3A |
DSP (Defense Support Program) |
TRW |
|
| LS-3B |
DSP-I (Defense Support Program) |
TRW/AESC |
|
| ES-4A |
DSCS II (Defense Satellite Communications System) |
TRW |
|
| ES-5A |
DSCS III (Defense Satellite Communications System) |
General Electric |
|
| LS-6A |
BSTS (Boost Surveillance and Tracking System) |
|
cancelled |
| NS-7A |
NavStar GPS I (Global Positioning System) |
Rockwell |
|
| NS-7B |
GPS II (Global Positioning System) |
Rockwell |
|
| NS-7C |
GPS IIA (Global Postioning System) |
Rockwell |
|
| NS-7D |
GPS IIR (Global Positioning System) |
Rockwell |
|
| NS-7E |
GPS IIF (Global Positioning System) |
Rockwell |
|
| ES-8A |
Milstar |
Lockheed |
|
| LS-9A |
SSTS (Space Surveillance and Tracking System) |
|
cancelled |
| LS-10A |
SBR (Space Based Radar) |
|
cancelled |
| XSS-10A |
|
Boeing North American |
|
| ES-14A |
WGS (Wideband Global Satcom) |
Boeing IADS |
|