SBIRS GEO-4
Success
JAN 20201800:48:00 UTCAtlas V carried the fourth geosynchronous satellite of the Space-Based Infrared System, which detects ballistic missile launches by their infrared signature. Unlike the three earlier SBIRS GEO launches, it flew with a strap-on solid booster, leaving the Centaur upper stage enough fuel for a deorbit burn after separation.
LIFTOFF
JAN 20 201800:48:00 UTC
Success
launched from SLC-41 Canaveral
aboard Atlas V 411 AV-076 into GSO
Broadcast
Watch how the launch went
Payload
SBIRS GEO-4 (USA-282)
Early warning