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Cape Canaveral, Florida — SpaceX launched the latest in a series of more powerful Global Positioning System navigation satellites Wednesday, continuing a U.S. Space Force fleet-wide upgrade to provide improved accuracy and anti-jamming capability. A Falcon 9 rocket carrying the 9,595-pound satellite blasted off from the Cape Canaveral Space Force Station at 7:24 a.m. EST and arced away to the northeast over the Atlantic Ocean.
After dropping off its previously-flown first stage, which flew itself back for a landing on an offshore droneship, the rocket’s upper stage engine fired twice to reach the planned deploy orbit before releasing the satellite to fly on its own.
Lockheed Martin has built 10 GPS 3 satellites for the Space Force — the satellite launched Wednesday was No. 6 — and is under contract to build 22 advanced GPS 3 Follow-On navigation beacons towith state-of-the-art components.
“We currently have four more GPS satellites in our Colorado facility that are available for launch,” said Andre Trotter, Lockheed Martin’s vice president of navigation systems.
GPS satellites constantly broadcast ultra-precise timing signals from on-board atomic clocks. Military and civilian receivers, in devices ranging from car navigation systems to smart weapons, can calculate their position, velocity and altitude by analyzing slight differences in the signals from multiple satellites.
The GPS 3 satellites are “the most powerful, resilient GPS satellite ever built,” Tonya Ladwig, a Lockheed Martin vice president, said before an earlier launch. “We provide three times greater accuracy over existing satellites in the constellation and have eight times increased anti-jamming capabilities.”
The GPS 3 satellites also feature enhanced civilian signals, compatibility with other navigation systems and improved search-and-rescue capabilities along with a military channel that’s more accurate and jam-proof.
The new satellites are “a key contribution to Space Systems Command’s ongoing GPS modernization effort, bringing about new capabilities to both civilian and military users around the globe,” said Cordell DeLaPena Jr., the program executive officer.
“GPS 3 satellites increase our ability to provide military and civilian users with more robust and accurate signals that enable everyday operations such as navigation and search and rescue operations.”
The launch was SpaceX’s fourth so far this year. The fifth of some 100 planned launches is on tap Thursday, at 10:23 a.m. EST, when another Falcon 9 is scheduled to launch 51 Starlink internet satellites from Vandenberg Space Force Base in California.