Topic: Global Positioning System
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Global Positioning System on twitter
RT @SpaceflightNow: The 4th modernized Global Positioning System satellite launched this year has completed testing and joined the fleet. h…

Twitter: @telefan

RT @SpaceflightNow: The 4th modernized Global Positioning System satellite launched this year has completed testing and joined the fleet. h…

Twitter: @ABCstarstuff

RT @SpaceflightNow: The 4th modernized Global Positioning System satellite launched this year has completed testing and joined the fleet. h…

Twitter: @stuartgary

RT @SpaceflightNow: The 4th modernized Global Positioning System satellite launched this year has completed testing and joined the fleet. h…

Twitter: @rmc_matos

RT @SpaceflightNow: The 4th modernized Global Positioning System satellite launched this year has completed testing and joined the fleet. h…

Twitter: @TONDTGR

RT @SpaceflightNow: The 4th modernized Global Positioning System satellite launched this year has completed testing and joined the fleet. h…

Twitter: @_terri_jones

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