
Pad: Space Launch Complex 4E · Vandenberg SFB, CA, USA
Tranche 1 Tracking Layer A is one of five missions by the United States Space Force Space Development Agency (SDA) for the Proliferated Warfighter Space Architecture (PWSA) Tranche 1 Tracking Layer constellation, which will provide global indications, warning, tracking, and targeting of advanced missile threats, including hypersonic missile systems.

Falcon 9 Liftoff with Dragon Spacecraft
Photo: SpaceX
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Live broadcast embeds typically go live 15 to 20 minutes prior to launch window liftoff. Check the official SpaceX channels or Spaceflight Now for live feeds.
Autonomous launch sequence start
Flight computer assumes control
Stage 1 main engine ignition & liftoff
Main engine cut-off and stage separation
Booster touchdown on recovery vessel / zone
Spacecraft insertion into target orbit
Vandenberg Space Force Base · Vandenberg SFB, CA, USA

Falcon 9 ascending from Space Launch Complex 4E overlooking the Pacific coastline at Vandenberg Space Force Base.
Photo Credit: U.S. Space Force / Michael PetersonSLC-4E is the premier West Coast spaceport for polar, sun-synchronous (SSO), and retrograde orbital insertions. Situated on a dramatic coastal bluff overlooking the Pacific Ocean, it enables rockets to fly south over open ocean without crossing populated landmasses.