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Air Force Preps First GPS IIF Launch To Upgrade Constellation

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By Marina Malenic The first Global Positioning System Block IIF satellite, which is expected to initiate a new safety-of-life civil signal and upgrade existing service to both civil and military users, remains scheduled for launch, Air Force officials said recently. Late last week, the launch of the first GPS IIF satellite was delayed. Mission managers determined that a piece of ground support equipment used to control one of the swing arms on the Fixed Umbilical Tower was not operating correctly.…

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