Image: United Launch Alliance
Delta IV M+(4,2) | GPS IIF-6 (USA-251)
United Launch Alliance · Delta IV M+(4,2) · Space Launch Complex 37B, Cape Canaveral SFS, FL, USA
United Launch Alliance's 83rd launch · 5th this year · humanity's 5,376th orbital launch attempt
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Window: May 17, 00:03 – May 17, 00:03 UTC
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GPS IIF-6
GPS IIF (Global Positioning System) or Navstar-2F (Navigation System using Timing And Ranging) satellites are the fourth evolution stage of the second generation of the GPS satellites. Improvements included an extended design life of 12 years, faster processors with more memory, and a new civil signal on a third frequency.
Navigation · Medium Earth Orbit (MEO)
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