• GPS Block IIIF, or GPS III Follow On (GPS IIIF), is the second set of GPS Block III satellites, consisting of up to 22 space vehicles. The United States...
    41 KB (3,179 words) - 08:00, 17 July 2025
  • Thumbnail for GPS Block III
    GPS Block III (previously Block IIIA) consists of the first ten GPS III satellites, which are used to keep the Navstar Global Positioning System operational...
    49 KB (4,877 words) - 07:34, 17 July 2025
  • Thumbnail for GPS satellite blocks
    The fourth GPS III satellite launched on 5 November 2020, also aboard a Falcon 9. The Block IIIF series is the second set of GPS Block III satellites...
    15 KB (1,575 words) - 09:56, 27 May 2025
  • Thumbnail for List of GPS satellites
    launched. Two Block III satellites have completed construction and have been declared "Available For Launch" (AFL). The next launch is GPS III SV09, currently...
    71 KB (3,062 words) - 08:21, 17 July 2025
  • Thumbnail for Global Positioning System
    enter service in December 2025. OCX Block 3F is currently in development to enable command and control of GPS IIIF satellites, currently slated to begin...
    185 KB (19,205 words) - 16:49, 1 August 2025
  • Thumbnail for Vulcan Centaur
    mil/Newsroom/Article-Display/Article/2744342/space-systems-command-declares-three-gps-iii-space-vehicles-available-for-launch Erwin, Sandra (April 13, 2023). "Boeing...
    63 KB (6,111 words) - 16:00, 29 July 2025
  • Thumbnail for Falcon Heavy
    Unlike for Falcon 9, the black thermal protection layer on the interstage of Block 5 center core boosters is later painted white, as seen in the Falcon Heavy...
    147 KB (11,296 words) - 17:20, 29 July 2025
  • mil/Newsroom/Article-Display/Article/2744342/space-systems-command-declares-three-gps-iii-space-vehicles-available-for-launch Erwin, Sandra (13 April 2023). "Boeing...
    27 KB (897 words) - 21:07, 29 July 2025
  • Thumbnail for List of USSF launches
    Gunter's Space Page. Retrieved 1 March 2025. "Falcon Heavy - USSF-15 (GPS IIIF-3)". Next Spaceflight. Retrieved 1 March 2025. "Vulcan Centaur - USSF-16"...
    21 KB (622 words) - 21:15, 30 July 2025
  • Thumbnail for International Cospas-Sarsat Programme
    IIIA satellites are used operationally by the Cospas-Sarsat System. GPS Block IIIF satellites are planned to have dedicated, operational L-band SAR payloads...
    44 KB (4,729 words) - 17:54, 15 June 2025
  • Thumbnail for List of Falcon 9 and Falcon Heavy launches
    Next Set of GPS III Satellites". GPS World. February 26, 2013. Archived from the original on December 3, 2021. Retrieved December 2, 2017. "GPS Status and...
    618 KB (22,354 words) - 06:39, 5 August 2025
  • March 4B - Unknown Payload". Next Spaceflight. Retrieved 8 August 2024. "GPS III SV-08 Core Mate Complete, Space Vehicle Named for NASA Trailblazer"....
    112 KB (2,097 words) - 05:13, 5 August 2025
  • Thumbnail for National Security Space Launch
    and in 2016 SpaceX won a contract under the EELV program to launch a GPS Block III satellite payload to MEO. The USAF began the process of competitively...
    50 KB (4,074 words) - 18:47, 22 July 2025
  • Thumbnail for Delta IV
    from the original on 7 December 2013. Retrieved 16 July 2011. "Delta IV GPS IIIF-3". Spaceflight 101. 4 October 2012. Archived from the original on 15 July...
    78 KB (5,843 words) - 21:38, 20 July 2025
  • Thumbnail for 2027 in spaceflight
    GPS digital payloads". SpaceNews. Retrieved 23 February 2021. Erwin, Sandra (8 December 2023). "Experts raise concerns about U.S. commitment to GPS modernization"...
    110 KB (2,386 words) - 13:28, 3 August 2025
  • Thumbnail for 2028 in spaceflight
    Saturn's moon Titan. NASA plans to launch Artemis 4. The first to use SLS Block 1B. Russia expects to launch the Luna 27 lunar lander in 2028. Chang'e 8...
    94 KB (2,466 words) - 14:10, 30 July 2025