Image: United Launch Alliance
Delta IV Heavy | NROL-91
United Launch Alliance · Delta IV Heavy · Space Launch Complex 6, Vandenberg SFB, CA, USA
United Launch Alliance's 154th launch · 6th this year · humanity's 6,303rd orbital launch attempt
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Window: Sep 24, 20:50 – Sep 24, 23:12 UTC
Flight preview
NROL-91
Classified payload for the US National Reconnaissance Office (NRO).
Government/Top Secret · Low Earth Orbit (LEO)
Booster
No booster details available.
Watch
- Sept. 24 Live Broadcast: Delta IV Heavy NROL-91 — United Launch Alliance
Updates
Launch success
Cosmic_Penguin · 9/25/2022 · source
Liftoff of the final Delta IV Heavy from Vandenberg Space Force Base.
Jay · 9/24/2022
New T-0 of 22:25:30 UTC
Jay · 9/24/2022
Weather 70% GO
Jay · 9/24/2022
Webcast live
Jay · 9/24/2022 · source
Updating weather
SwGustav · 9/22/2022 · source
Refined T-0
Cosmic_Penguin · 9/16/2022 · source
Adding launch window
Cosmic_Penguin · 9/9/2022 · source
Adding launch date
Cosmic_Penguin · 8/24/2022 · source
Pushing to Aug 1
JRascagneres · 9/7/2021 · source
