Delta IV M+(4,2) | GPS IIF-6 (USA-251)

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.

Mission Details

  • Launch date: May 17, 2014 at 12:03 AM UTC
  • Launch vehicle: Delta IV M+(4,2)
  • Operator: United Launch Alliance
  • Launch site: Cape Canaveral SFS, FL, USA
  • Mission type: Navigation