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The Contingency Operations effort enables GPS III satellites to participate in the GPS constellation, albeit in a limited fashion, without having to wait until OCX Block 1 becomes operational (scheduled for 2022). The United States Space Force awarded the US$96 million Contingency Operations contract in February 2016. [74]
In order to be able to command and control Block IIIF satellites, in April 2021 the U.S. Space Force awarded a $228 million contract to Raytheon Intelligence and Space called OCX Block 3F, which builds on the existing OCX Block 2 system and adds the ability to perform Launch and Checkout of Block IIIF satellites. [58] [59]
Samples of three GPS satellites' orbits over a five-year period (2013 to 2018) USA-242 · USA-239 · USA-151 · Earth As of 22 January 2025, 83 Global Positioning System navigation satellites have been built: 31 are launched and operational, 3 are in reserve or testing, 43 are retired, 2 were lost during launch, and 1 prototype was never launched. 3 Block III satellites have completed ...
The GPS satellite constellation is now operated by the 2nd Navigation Warfare Squadron (2 NWS) of Mission Delta 31, United States Space Force. The GPS satellites circle the Earth at an altitude of about 20,000 km (12,427 miles) and complete two full orbits every day.
U.S. Space Force space systems Name Space system image Mission Operator AN/FPS-85: Space surveillance: Mission Delta 2: C-Band Space Surveillance Radar System [181] Space surveillance: Mission Delta 2: Cobra Dane: Missile defense Space surveillance [182] Mission Delta 4: Ground-Based Electro-Optical Deep Space Surveillance (GEODSS) Space ...
SpaceX's Falcon 9 rocket lifted off from the Vandenberg Space Force Base in Southern California at 4 a.m. EDT on Wednesday, carrying into space what the NRO said was the "first launch of the NRO's ...
Beginning in 2007, DSCS began being replaced by the Wideband Global SATCOM system. A total of 14 DSCS-III satellites were launched between the early 1980s and 2003. Two satellites were launched aboard the Space Shuttle Atlantis in 1985 during the STS-51-J flight. As of 14 September 2021, six DSCS-III satellites were still operational. [2]
USA-319 was launched by SpaceX on 17 June 2021 at 16:09 UTC, atop Falcon 9 booster B1062.This booster had previously launched SV04 a year prior.. The launch took place from SLC-40 at Cape Canaveral Space Force Station, and placed USA-319 directly into semi-synchronous orbit.