Falcon 9 Block 5 | SDA Tranche 2 Tracking Layer B

Classified mission launched by the Space Development Agency (SDA) for Tranche 2 Tracking Layer.

This mission is flown by SpaceX. It is classified as a government/top secret mission. Liftoff is planned from Unknown Pad. Launch windows shift often; this page is rebuilt every day with the latest scheduled time.

Falcon 9 Block 5 | SDA Tranche 2 Tracking Layer B is scheduled to lift off on Wednesday, September 30, 2026. The countdown above updates live, so you always see exactly how many days, hours, and minutes are left.