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SpaceX Launches 2nd Classified US Space Force Mission

September 16, 2026

2 min read

Key Takeaways

SpaceX launching 2nd classified US Space Force mission tonight.
Liftoff scheduled for 9 p.m. ET from Vandenberg Space Force Base.
Falcon 9 rocket will carry out the USSF-259 mission.
Webcast to end shortly after first stage returns to Earth.

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Strategic Implications

This launch may indicate the growing reliance of the US Space Force on SpaceX for classified missions. The frequency of these launches suggests a high level of demand for space-based assets, which could benefit SpaceX and other launch providers. The use of a Falcon 9 rocket may also indicate the versatility of this launch vehicle for a variety of missions.

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What Happened

Second Secretive Launch In Less Than A Week Tonight

SpaceX is set to launch its second classified mission for the US Space Force in less than a week tonight, with a Falcon 9 rocket lifting off from California’s Vandenberg Space Force Base. The mission, designated USSF-259, is scheduled to launch during a four-hour window that opens at 9 p.m. ET. The webcast is expected to end shortly after the first stage returns to Earth. This launch follows a similarly classified mission, USSF-153, which was launched on September 10. The launch was reported by Space.com.

Source | Originally Published: September 15, 2026

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