SpaceX launched its second national security mission of the year Thursday (April 11).

A Falcon 9 rocket lifted off from California's Vandenberg Space Force Base at 10:25 a.m. EDT (7:25 a.m. local California time; 1425 GMT), on a mission for the U.S. Space Force called USSF-62.

USSF-62 will send the Weather System Follow-on Microwave (WSF-M) satellite to low Earth orbit. WSF-M is a next-generation spacecraft that "will provide critical and actionable weather intelligence to military operations in all warfighting domains," according to BAE Systems, which developed and built the satellite.

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WSF-M's primary instrument is a microwave imager, which will measure sea surface winds, the strength of tropical cyclones and gather other environmental data. Also flying on the satellite is a space weather sensor provided by the U.S. government, according to BAE Systems.

"Were absolutely thrilled be out here on the Central Coast, with a superb team primed and ready to launch the USSF-62 satellite," Col. Jim Horne, senior materiel leader for Space Systems Command's Launch Execution Delta, said in an emailed statement. "With each national security launch, we add to Americas capabilities and improve its deterrence in the face of growing threats."

The Falcon 9's first stage returned to Earth safely, touching down at Vandenberg's Landing Zone 4 just under eight minutes after liftoff. It was the third launch and landing for this particular booster, according to a SpaceX mission description.

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The rocket's payload fairing the "nose cone" that protects satellites during launch is also a spaceflight veteran, marking a first for a national security launch, Horne said in his statement.

USSF-62 is SpaceX's 37th launch of 2024 and its second of the year for the Space Force. A Falcon 9 launched the six-satellite USSF-124 mission from Florida's Cape Canaveral Space Force Station on Feb. 14.

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