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TBD
SDA Tranche 2 Transport Layer A
Falcon 9 Block 5SpaceXSpace Launch Complex 4E
Monday, August 31, 2026 · 12:00 AM UTCAdd to Calendar
NextGo for Prop LoadT-35:00
Time to launch
Launch Window Confidence
46% — UncertainVehicle
Falcon 9 Block 5
Profile →Falcon 9 is a two-stage rocket designed and manufactured by SpaceX for the reliable and safe transport of satellites and the Dragon spacecraft into orbit. The Block 5 variant is the fif...
Height70 m
LEO Payload22,800 kg
Launches801
Successes664
Provider
SpaceX
Profile →USA • Founded 2002
Space Exploration Technologies Corp., known as SpaceX, is an American aerospace manufacturer and space transport services company headquartered in Hawthorne, California. It was founded in 2002 by entrepreneur E...
Mission Brief
Classified mission launched by the Space Development Agency (SDA) for Tranche 2 Transport Layer.
PayloadSDA Tranche 2 Transport Layer A
OrbitPolar Orbit
CustomerSpaceX
Stages2
PadSpace Launch Complex 4E, Vandenberg SFB, CA, USA
Mission Timeline
0 / 200%Up next · Countdown
Go for Prop Load
Launch director gives the go to begin fueling
T-35:00
11:25 PM UTC
- Go for Prop LoadT-35:0011:25 PM UTC
- RP-1 Loading BeginsT-35:0011:25 PM UTC
- Stage 1 LOX Loading BeginsT-35:0011:25 PM UTC
- Stage 2 LOX Loading BeginsT-16:0011:44 PM UTC
- Engine Chill BeginsT-07:0011:53 PM UTC
- Flight Computer Final ChecksT-01:0011:59 PM UTC
- Tanks Pressurize for FlightT-01:0011:59 PM UTC
- Strongback Retract BeginsT-00:4511:59 PM UTC
- Engine Ignition Sequence StartsT-00:0311:59 PM UTC
Site lock
Launch Site
Space Launch Complex 4E, Vandenberg SFB, CA, USA
34.632°N, 120.611°W
Schedule History
No delays or schedule changes recorded.
