Falcon 9 Block 5 | USSF-153

When Does Falcon 9 Block 5 | USSF-153 Launch?

Live Countdown to Liftoff

Falcon 9 Block 5 | USSF-153 is scheduled to lift off on Thursday, September 10, 2026 at 15:37 UTC — 7 days from now. GO for launch

07
Days
05
Hours
24
Minutes
15
Seconds
LIFTOFF!

Falcon 9 Block 5 | USSF-153 is scheduled to lift off Thursday, September 10, 2026 at 15:37 UTC from Space Launch Complex 4E. Status: Go for Launch. Live countdown, updated daily as the window shifts.

USSF-153 is a classified mission for the United States Space Force. It is possibly a batch of classified LEO satellites for a US government entity based on SpaceX’s Starshield satellite bus, based on locations of rocket stage drop zones being exact fits with previous Starlink Group 15 launches. This mission is flown by SpaceX. It is classified as a government/top secret mission. Liftoff is planned from Space Launch Complex 4E at Vandenberg SFB, CA, USA. Current status from Launch Library: Go for Launch. Launch windows shift often; this page is rebuilt every day with the latest scheduled time.

Falcon 9 Block 5 | USSF-153 is scheduled to lift off on Thursday, September 10, 2026 at 15:37 UTC. The countdown above updates live, so you always see exactly how many days, hours, and minutes are left.

Launch time where you live

LocationLocal time
UTC15:37
New York (US Eastern)11:37 · 11:37 AM
Los Angeles (US Pacific)08:37 · 8:37 AM
London (UK)16:37 · 4:37 PM
Berlin / Paris (Central Europe)17:37 · 5:37 PM
New Delhi (India)21:07 · 9:07 PM
Tokyo (Japan)00:37 · 12:37 AM (Sep 11)
Sydney (Australia)01:37 · 1:37 AM (Sep 11)
Your timezonesee local time above

🎬 Streaming the wait? Use this countdown as a free OBS overlay →

Launch times come from the Launch Library 2 API and shift often — this page is rebuilt every day with the latest schedule. Page updated September 3, 2026.