On August 1, a United Launch Alliance Atlas V rocket successfully launched an Air Force GPS-IIF satellite in the orbit. This is the seventh GPS-IIF satellite launched into orbit of a planned constellation of 12 satellites. This satellite is the third launched in 2014, with one more launch planned for later this year.
The GPS-IIF satellites, which are built by Boeing Boeing, are intended to replace the GPS-IIA satellites, which were launched in the 1990s. Operating in medium-Earth orbit, these next-generation GPS satellites include improved atomic clocks for more accurate readings. They also add a third civil sig...
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