Live coverage of the United Launch Alliance Atlas 5 rocket flight to deploy the NROL-42 payload for the National Reconnaissance Office.
(Launch webcast begins at 10:10 p.m. local / 1:10 a.m. EDT / 0510 GMT)
Entries below listed as EDT (subtract 3 hours for local time; add 4 hours for GMT)
Falcon 9
Live coverage: SpaceX’s Falcon 9 rocket lifts off, then lands at Cape Canaveral
SpaceX launched a classified payload for the National Reconnaissance Office on Monday after a first stage sensor problem halted a countdown Sunday. Liftoff from launch pad 39A at NASA’s Kennedy Space Center in Florida occurred at 7:15 a.m. EDT (1115 GMT), and the first stage landed at nearby Cape Canaveral around nine minutes later. The upper stage’s flight entered a pre-planned news blackout a few minutes after launch.
Atlas 5
Video: GOES-R departs Earth atop Atlas 5 rocket
The United Launch Alliance Atlas 5 rocket, standing 197 feet tall and and weighing 1.2 million pounds, unleashes 2.4 million pounds of thrust from its main engine and four solid-fuel boosters at 6:42 p.m. EST (2342 GMT) Saturday to launch the GOES-R weather observer for NASA and NOAA from Cape Canaveral, Florida.