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VideoLive coverage: Atlas 5 countdown and launch journal
A United Launch Alliance Atlas 5 rocket lifted off from Cape Canaveral today at 7:42 p.m. EST (0042 GMT) to deploy the U.S. military's SBIRS GEO Flight 3 observatory, equipped with advanced telescopic infrared vision to spot enemy missile launches, for early warning surveillance.
Timeline: Atlas 5/SBIRS GEO Flight 3 ascent events
This is the launch timeline to be followed by the Atlas 5 rocket’s ascent into orbit from Cape Canaveral with the SBIRS GEO Flight 3 satellite for U.S. military infrared reconnaissance. Launch is scheduled for Thursday at 7:46 p.m. EST (0046 GMT).
Preview: Advanced missile detection satellite for early-warning alerts awaits liftoff
Culminating years of construction and testing, a $1.2 billion satellite designed to spot and track enemy missiles threatening the United States homeland, its deployed military forces abroad or allied nations will ascend to a surveillance post in space Thursday.
Weather forecast now 80 percent ‘go’ for Thursday’s Atlas 5 rocket launch
Meteorologists are anticipating favorable odds of good weather during the countdown to launch an Atlas 5 rocket and U.S. military satellite on Thursday evening from Cape Canaveral.
Atlas 5 and Delta 4 achieve milestones in parallel on the same morning
Critical operations were completed this morning by United Launch Alliance at Cape Canaveral to prepare two rockets for upcoming flights into space.
Multi-national contribution to U.S. military network delivered for launch
The next satellite for the U.S. military's communications network, this one purchased by five international allies, has arrived in Florida for its launch in March atop a Delta 4 rocket.
Fastest ever stacking of Atlas 5 underway for next national security launch
Just two weeks before it flies to space, the core stage of the next Atlas 5 rocket was erected aboard the mobile launcher platform this morning by United Launch Alliance technicians to kick off a streamlined vehicle assembly that will break a record.
Photos: Final batch of EchoStar 19 launch shots
With a 2-to-1 thrust-to-weight ratio, the million-pound United Launch Alliance Atlas 5 rocket unleashed two-million pounds of ground-shaking thrust to power away from its seaside launch complex at 2:13 p.m. EST (1913 GMT) Sunday with the EchoStar 19 satellite.
Photos: Atlas 5 launches EchoStar 19 broadband satellite
Launching a high-capacity satellite to beam the Internet into homes across rural America, a United Launch Alliance Atlas 5 rocket thunders away from Cape Canaveral on Sunday afternoon.
EchoStar 19 launch seen from KSC Press Site
Watch an Atlas 5 rocket launch the EchoStar 19 satellite on December 19, 2016. This view was captured by Spaceflight Now's camera at the NASA's Kennedy Space Center Press Site.