United Launch Alliance’s Vulcan Centaur orbital launch vehicle will undertake its first National Security Space Launch (NSSL) mission next week, the rocket type’s third launch overall.

The two stage vehicle is scheduled to launch from Space Launch Complex 41 (SLC-41) at Cape Canaveral Space Force Station on Aug. 12, 2025 carrying the NTS-3 (Navigation Technology Satellite 3) technology demonstrator for the U.S. Air Force Research Laboratory (AFRL) to geosynchronous orbit. The rocket will also carry an unspecified classified payload on behalf of the U.S. Space Force (USSF). Contents United Launch Alliance’s Vulcan Centaur orbital launch vehicle will undertake its first National Security Space Launch (NSSL) mission next week, the rocket type’s third launch overall. Rocket Engines

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