TAG: U.S. Air Force

GPS III navigation payload to be all digital

February 2, 2016By
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Harris Corporation will offer an all-digital navigation payload for GPS III Space Vehicles (SV) 11 and beyond. According to Harris, the fully digital navigation payload will provide enhanced performance and enable on-orbit reprogramming. The all-digital payload expands on the advanced features of the current 70-percent digital payload that Harris provides for Lockheed Martin’s GPS III SV 1-8 satellites. The features provide greater... read more

Launch of last GPS IIF satellite shifts to Friday

February 2, 2016By
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The U.S. Air Force plans to launch the 12th — and final — satellite in the Block IIF series of modernized GPS spacecraft this week. Originally scheduled to launch Feb. 3, the launch has been moved to Friday, Feb. 5. According to United Launch Alliance (ULA), the cause for the schedule slip was “concerns over the integrity of electrical connectors on the Atlas V... read more

Air Force awards contract to support GPS modernization

January 13, 2016By

Northrop Grumman Corporation has been awarded an order to support embedded GPS/inertial navigation system (INS) pre-Phase 1 modernization efforts. The Military GPS User Equipment (MGUE) program is developing M-code-capable GPS receivers, which are mandated by Congress after fiscal year 2017 and will help to ensure the secure transmission of accurate military signals. Under the cost-plus-fixed-fee order valued at $4.8 million... read more

New USAF RFP published for GPS III satellites

January 12, 2016By
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The GPS Directorate at the Space and Missile Systems Center (SMC) continues to look for someone to build 22 GPS III satellites in the near future. SMC issued a request for proposals on Jan. 8, with rather complicated terms. The first eight GPS III satellites are already under contract, and two have been built, but delivery and launch schedules have... read more

ULA won’t bid on GPS III launch contract

November 17, 2015By

The United Launch Alliance (ULA) declined Nov. 16 to submit a bid to launch the first GPS III satellite, leaving the field wide open for commercial launch service SpaceX, reports Space News. The first GPS III satellite is expected to launch in 2018. SpaceX is likely to win the U.S. Air Force launch contract by default. Every operational GPS mission... read more

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Lockheed Martin advances threat protection on GPS control segment

November 9, 2015By
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Security upgrades developed by Lockheed Martin for the GPS ground control system are now fully operational to safeguard data and ensure satellite availability. The GPS Intrusion Protection Reinforcement (GIPR) technology refresh is part of the Air Force’s strategy to modernize the current GPS system and to ensure the availability of its services for more than one billion global military, civilian and... read more

Next-to-last GPS IIF satellite launched into orbit

November 2, 2015By
GPS IIF-11 Heads for space on Halloween.

The U.S. Air Force successfully launched its 11th and next-to-last Boeing-built Global Positioning System GPS IIF series satellite aboard a United Launch Alliance Atlas V 401 launch vehicle from Space Launch Complex 41, Cape Canaveral Air Force Station, Fla., on Oct. 31 at 12:13 p.m. EDT (9:13 a.m. PDT). GPS IIF satellites provide improved signals to support both the warfighter and the growing... read more

GPS IIF-11 Launch Delayed until Saturday

October 30, 2015By
Major General David Thompson announces a 24-hour delay for the launch of the eleventh GPS-IIF satellite.

Major General David Thompson, Vice Commander, U.S. Air Force Space Command, announced this morning that the GPS IIF launch scheduled for today will be delayed for 24 hours due to a water deluge suppression system at the launch site. Launch should only be delayed for 24 hours. The water deluge suppression system is a launch site safety issue. Officials made the call... read more