Falcon 9 Block 5 | SDA Tranche 1 Tracking Layer A
SpaceX is set to launch a Falcon 9 Block 5 rocket from Space Launch Complex 4E carrying SDA Tranche 1 Tracking Layer A to Polar Orbit, no earlier than 31 Dec 2026, 00:00 UTC.
TBDTo Be Determined
T---d--h--m--s
About the mission
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.
Watching the launch
Launch times often move, sometimes at the last minute because of weather or technical checks. This page updates automatically, so check back shortly before the countdown ends. Most major providers stream their launches live online.