.jpeg) Offloading of SBIRS-GEO 5 Satellite | |
| Names | USA-315 SBIRS GEO-5 |
|---|---|
| Mission type | Early Warning IRINT |
| Operator | United States Space Force |
| COSPAR ID | 2021-042A |
| SATCATno. | 48618 |
| Spacecraft properties | |
| Manufacturer | Lockheed Martin |
| Launch mass | 4,500 kg (9,900 lb)[1] |
| Power | 2 deployable solar arrays, batteries |
| Start of mission | |
| Launch date | 18 May 2021 |
| Rocket | Atlas V 421 (AV-091) |
| Launch site | Cape Canaveral Space Force Station,Florida |
| Contractor | United Launch Alliance |
| Orbital parameters | |
| Regime | Geostationary[2] |
USA-315, also known asSBIRS GEO-5, is amilitary satellite developed as a part of theSpace-Based Infrared System.[3][4][2] The satellite aims to increase the capabilities of theUnited States Department of Defense in terms of missile defense and military intelligence.
As a part of the SBIRS program, the successor ofDefense Support Program (DSP), new satellites with better features were planned to be launched and used byUnited States Air Force andSpace Force. USA-315, like other satellites in SBIRS program, is used for early warning.
The initial work contract for SBIRS GEO-5 andSBIRS GEO-6 was awarded toLockheed Martin in October 2012. After two years, Lockheed Martin was awarded again in 2014, but this time with a manufacturing contract.[4]
SBIRS GEO-5 is built on anLM 2100 Combat Bus and the development phase took more than five years.[5]
On 18 May 2021, SBIRS GEO-5 (USA-315) was launched fromCape Canaveral Space Force Station,Florida.[6]
The satellite was accepted by the U.S. Space Force and showed %40 improvement in average testing times.[6]
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