Space Systems Command – Spaceflight Now

New U.S. military satellite constellation takes shape with first launch from Vandenberg SFB

September 12, 2025 Will Robinson-Smith

The Space Development Agency’s Proliferated Warfighter Space Architecture constellation is expected to deliver global coverage beginning in 2027. Launch from Vandenberg Space Force Base occurred at 7:12 a.m. PDT (10:12 a.m. EDT / 1412 UTC).

ULA begins stacking its 1st Vulcan rocket supporting a national security mission

July 3, 2025 Will Robinson-Smith

This is the second time the rocket is being prepared for launch following a months long delay in certifying the launch vehicle. ULA hasn’t announced a specific launch date, but it’s expected sometime this summer.

U.S. Space Force, Lockheed Martin launch newest GPS satellite on SpaceX Falcon rocket

May 30, 2025 Will Robinson-Smith

The mission represented a short turnaround time for a national security mission, launching just three months after getting the call up from the government. Liftoff occurred at 1:37 p.m. EDT (1737 UTC).

U.S. Space Force certifies ULA’s Vulcan rocket to begin launching national security missions

March 27, 2025 Will Robinson-Smith

The conclusion of certification closes out a process that began in September 2016 and saw the government closely track the development of Vulcan alongside United Launch Alliance. Its first National Security Space Launch mission is targeting liftoff over the summer.

SpaceX launches national security satellite for NRO on Falcon 9 rocket from Cape Canaveral

March 24, 2025 Will Robinson-Smith

The mission was the fifth of 2025 featuring spacecraft developed by the National Reconnaissance Office. Liftoff of the NROL-69 mission from pad 40 happened at 1:48 p.m. EDT (1748 UTC).

U.S. Air Force’s X-37B spaceplane lands following 434-day orbital mission

March 7, 2025 Will Robinson-Smith

The secretive winged spacecraft launched on a SpaceX Falcon Heavy rocket on Dec. 29, 2023 to conduct a classified mission. The landing concludes the seventh flight of the Boeing-built spacecraft since 2010.

Sierra Space’s Dream Chaser prepares for pre-launch journey to the Cape

May 14, 2024 Will Robinson-Smith

Many eyes are on both the payload and the rocket as the Department of Defense awaits its turn to launch missions with ULA’s Vulcan rocket.

SpaceX launches Space Force weather satellite designed to take over for a program with roots to the 1960s

April 11, 2024 Will Robinson-Smith

The USSF-62 mission will feature the first National Security Space Launch mission using flight-proven payload fairings. Liftoff from Vandenberg Space Force Base happened at 7:25 a.m. PDT (10:25 a.m. EDT (1425 UTC).

Capitol Hill budget battle may limit initial funding of some National Security Space Launch missions

November 8, 2023 Will Robinson-Smith

Among the 21 missions set to be ordered in the fifth year of Phase 2 task orders, only eight are anticipated to be ordered under a continuing resolution.

Atlas 5 rocket returns to pad for spy satellite agency launch from Cape Canaveral

September 8, 2023 Will Robinson-Smith

United Launch Alliance’s Atlas 5 rocket made its way back to the pad at Space Launch Complex 41 at Cape Canaveral Space Force Station on Thursday morning for a mission carrying national security mission payloads, collectively codenamed Silentbarker. Liftoff has been rescheduled for at 8:47 a.m. EDT (1247 UTC).