1605 GMT (12:05 p.m. EDT)
LIFTOFF! Liftoff of the Delta 2-Heavy rocket with NASA’s new gamma ray observatory, seeking out the extreme objects in the universe!
spaceflightnow.com
1614 GMT (12:14 p.m. EDT)
T+plus 9 minutes, 20 seconds. The vehicle is 107.5 miles in altitude, 1,318 miles downrange from the launch pad and traveling at 16,247 mph.
spaceflightnow.com
1615 GMT (12:15 p.m. EDT)
T+plus 10 minutes, 31 seconds. SECO 1. The second stage engine cutoff has occurred, completing the motor’s first firing of the day. The Delta 2 rocket with GLAST has arrived in a preliminary orbit around Earth following launch today from Cape Canaveral. The vehicle will coast for about an hour before the second stage is re-ignited.