SpaceX launches its first mission for the U.S. Space Force


SpaceX launches its first mission for the U.S. Space Force

June 30, 2020 Stephen Clark

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A Falcon 9 rocket blasts off Tuesday from pad 40 at Cape Canaveral Air Force Station, Florida. Credit: SpaceX

A new GPS satellite rocketed into orbit from Cape Canaveral on top of a SpaceX Falcon 9 launcher Tuesday on the way to replace one of the more than 30 other spacecraft helping guide everything from military munitions to motorists.

The launch was the first by SpaceXs for the U.S. Space Force, which took over most Air Force-run space programs after its establishment as a new military service in December. The third in a new line of upgraded Global Positioning System navigation satellites flew aboard the Falcon 9 rocket, adding fresh capabilities to the GPS network while replacing an aging spacecraft launched more than 20 years ago.

“The GPS 3 program continues to build on its successes by delivering advanced capabilities for the United States Space Force, and maintaining the ‘gold standard’ for position, navigation and timing.” said Col. Edward Byrne, Medium Earth Orbit Space Systems Division chief at the Space and Missile Systems Center.

The third GPS 3-series satellite, designated GPS 3 SV03, took off at 4:10:46 p.m. EDT (2010:46 GMT) from pad 40 at Cape Canaveral Air Force Station in Florida.

Riding a 229-foot-tall (70-meter) Falcon 9 rocket, the 9,505-pound (4,311-kilogram) spacecraft launched on a trajectory toward the northeast from Cape Canaveral, flying roughly parallel to the U.S. East Coast.

Nearly 90 minutes after liftoff, the Falcon 9’s upper stage precisely released the GPS 3 SV03 satellite into an on-target transfer orbit ranging in altitude between around 250 miles (400 kilometers) and 12,550 miles (20,200 kilometers), with an inclination of 55 degrees to the equator.

The spot-on orbit puts the GPS 3 SV03 spacecraft in position to use its own propulsion system in the coming weeks to circularize its orbit at an altitude of 12,550 miles, where the satellite is set to enter the operational GPS constellation as early as August, military officials said.

The launch was originally scheduled for late April, but military officials delayed the flight two months to allow time for teams at a satellite operations center in Colorado to introduce and test new protocols to enable physical distancing between control consoles. Officials reduced the size of the crew inside the control center, and added partitions and procured personal protective equipment f

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