
A Block Off The Other Blocks Passes Tests
Testing… testing… electrical power system, attitude determination and control system, telemetry, tracking and command and navigation payload… wow, they’re all working as they should and have been integrated properly into the satellite. That’s the word from the Global Positioning Wing who has successfully passed the Initial Integrated System Test on the first GPS Block IIF satellite at the Boeing Spacecraft Development Center in El Segundo, California.
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