Atlas V 421 | SBIRS GEO-5
United Launch Alliance · Atlas V 421 · Space Launch Complex 41, Cape Canaveral SFS, FL, USA
United Launch Alliance's 145th launch · 2nd this year · humanity's 6,081st orbital launch attempt
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Window: May 18, 17:31 – May 18, 18:11 UTC
Flight preview
SBIRS GEO-5
Fifth geosynchronous satellite of the Space Based Infrared System program (SBIRS), providing capabilities for early missile warning and missile defense. SBIRS GEO-5 is the first satellite using Lockheed Martin's LM2100 combat bus.
Government/Top Secret · Geostationary Transfer Orbit (GTO)
Booster
No booster details available.
Watch
- Atlas V SBIRS GEO-5 — The Space Devs
- May 18 Live Broadcast: Atlas V SBIRS GEO Flight 5 — United Launch Alliance
Updates
Successful launch
Nosu · 5/18/2021 · source
Scrubbed for the day.
Cosmic_Penguin · 5/17/2021 · source
HOLDING
Cosmic_Penguin · 5/17/2021 · source
Updated launch window.
Cosmic_Penguin · 5/17/2021 · source
Weather 90% GO
SwGustav · 5/14/2021 · source
Updated launch time.
Cosmic_Penguin · 5/6/2021 · source
Launch is scheduled for May 17 according to USSF press release.
spacevogel · 3/25/2021 · source
