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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]
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]
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 ...
Fifth GPS Block III satellite, named Neil Armstrong: USA-320: 2022-01-13 2022-002CV Falcon 9 Block 5: Unknown Launched with USA-321, USA-322 and USA-323 on Transporter 3 Rideshare Launch. Likely the satellites were built by SpaceX based on the Starshield bus (based on Starlink Block v1.5 technology), were deployed by the US army.
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.
USA-343, also known as GPS-III SV06, NAVSTAR 82 or Amelia Earhart, is a United States navigation satellite which forms part of the Global Positioning System. It was the sixth GPS Block III satellite to be launched.
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]
The Department of Defense delivers the military space programs. In 2019, the U.S. Space Force started as the primary DoD agent for delivery of military space capability. [1] Systems such as the Global Positioning System, which is ubiquitous to users worldwide, was developed and is maintained by the DoD. [2] Missile warning, defense weather ...