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SpaceX
Falcon 9 Block 5 | OTV-8 (X-37B) (USSF-36)
Recorded mission coverage
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Mission brief
The flight at a glance.
Eighth flight of the X-37B program. The X-37B is a dynamic and responsive spacecraft responsible for conducting a range of tests and experiments that expedite the development of critical next-generation technologies and operational concepts for reusable space capabilities. The OTV-8 mission in Low Earth Orbit includes operational demonstrations and experiments of next-generation technologies, including laser communications and the highest performing strategic grade quantum inertial sensor ever tested in space. Mission partners include the Air Force Research Lab and the Defense Innovation Unit, respectively.
Open the full mission →Published flight sequence
Know what comes next.
Planned timings relative to the target. These steps do not indicate live progress.
- T−00:38:00
GO for Prop Load
- T−00:35:00
Prop Load
- T−00:35:00
Stage 1 LOX Load
- T−00:16:00
Stage 2 LOX Load
- T−00:07:00
Engine Chill
- T−00:01:00
Startup
See all 21 published steps ↓
- T−00:01:00
Tank Press
- T−00:00:45
GO for Launch
- T−00:00:03
Ignition
- T+00:00:00
Liftoff
- T+00:01:12
Max-Q
- T+00:02:14
MECO
- T+00:02:18
Stage 2 Separation
- T+00:02:25
SES-1
- T+00:02:31
Booster Boostback Burn Startup
- T+00:02:46
Fairing Separation
- T+00:03:16
Booster Boostback Burn Shutdown
- T+00:06:53
Entry Burn Startup
- T+00:07:18
Entry Burn Shutdown
- T+00:08:08
Stage 1 Landing Burn
- T+00:08:40
Stage 1 Landing