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  2. Graphite-Epoxy Motor - Wikipedia

    en.wikipedia.org/wiki/Graphite-Epoxy_Motor

    The GEM 63XL, developed by Northrop Grumman, is an extended version of the GEM 63, about 73 inches (190 cm) longer than its predecessor. [7] The weight is approximately 117,000 pounds (53 metric tons) each. [8] First fired in 2020, it is used on the Vulcan launch vehicle beginning with the first launch on January 8, 2024.

  3. Comparison of orbital rocket engines - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_orbital...

    GEM 63 USA: Northrop Grumman: Atlas V: Active Booster: HTPB: Solid fuel 279.06 (Vac) [10] 1,662,745 [11] 49,300 with fuel GEM 63XL

  4. AJ-60A - Wikipedia

    en.wikipedia.org/wiki/AJ-60A

    In 2015, ULA announced that the Atlas V will switch to new GEM 63 boosters produced by Northrop Grumman Innovation Systems. (GEM 63XL, a stretched version of the GEM 63 booster is used on the Vulcan rocket.) [ 6 ] The first Atlas V launched with GEM 63 boosters on November 13, 2020.

  5. Vulcan Centaur - Wikipedia

    en.wikipedia.org/wiki/Vulcan_Centaur

    To further enhance payload capacity, the Vulcan Centaur can be equipped with up to six GEM 63XL SRBs (solid rocket boosters) from Northrop Grumman—a lengthened version of the GEM 63 SRBs used on the Atlas V. [7] [24]

  6. Atlas V - Wikipedia

    en.wikipedia.org/wiki/Atlas_V

    In 2015, ULA announced that the Aerojet Rocketdyne-produced AJ-60A solid rocket boosters (SRBs) then in use on Atlas V would be superseded by new GEM 63 boosters produced by Northrop Grumman Innovation Systems. The extended GEM 63XL boosters will also be used on the Vulcan Centaur launch vehicle that will replace the Atlas V. [25] The first ...

  7. Aerojet Rocketdyne - Wikipedia

    en.wikipedia.org/wiki/Aerojet_Rocketdyne

    AJ-60A (Solid – HTPB) – A solid rocket motor formerly used for the Atlas V launch vehicle, until being replaced by the Northrop Grumman GEM-63 in 2021. [37] AR-22 (LH 2 /LOX) – An engine in development from 2017 to 2020 for the XS-1 spacecraft, also known as the Phantom Express.

  8. AN/TPS-63 - Wikipedia

    en.wikipedia.org/wiki/AN/TPS-63

    The AN/TPS-63 was a medium range, Two-dimensional, L band radar system utilized by the United States Marine Corps from the early 1980s until finally retired in 2018. This mobile radar was developed by Northrop Grumman and complimented the AN/TPS-59 long range radar by providing 360 degree, gap-filling coverage of low altitude areas.

  9. United Launch Alliance - Wikipedia

    en.wikipedia.org/wiki/United_Launch_Alliance

    In November 2020, ULA launched NROL-101, a top secret spy satellite for the National Reconnaissance Office, on board their Atlas V in a 531 configuration. This launch was notable because it was the first flight of the GEM-63 solid rocket boosters, a version of which will be used on their Vulcan Centaur launch vehicle. [153]