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Photos: Atlas 5 launches SBIRS GEO Flight 3
Launching a highly sophisticated infrared surveillance satellite for the U.S. military, a United Launch Alliance Atlas 5 rocket thunders away from Cape Canaveral.

Photos: Another SBIRS soars atop Atlas 5
The Atlas 5 rocket lifted the SBIRS GEO Flight 3 missile warning sentinel into orbit, advancing space technology for surveillance and security.

Photos: First ULA mission of the year blasts off
Marking United Launch Alliance's first rocket flight in 2017, beginning its year of national security and science-enabling missions, the Atlas 5 rocket departs Cape Canaveral carrying the SBIRS GEO Flight 3 satellite.
VideoAtlas 5 rocket successfully delivers vital national asset into space
A new infrared reconnaissance satellite for one of the United States' highest priority space programs -- making early detection of enemy missile launches -- was successfully delivered into orbit Friday by an Atlas 5 rocket.

Video: Missile alert satellite launches atop Atlas 5
The United Launch Alliance Atlas 5 rocket, standing 189 feet tall and and weighing 720,000 pounds, unleashes 860,000 pounds of thrust from its main engine to launch the SBIRS GEO Flight 3 early-warning satellite from Cape Canaveral, Florida.

Photos: Atlas 5 rolled out with SBIRS GEO Flight 3
The United Launch Alliance Atlas 5 rocket was transfered from its assembly building to the pad at Cape Canaveral's Complex 41 today for Thursday's launch of the U.S. military's third SBIRS GEO missile warning satellite.
VideoPhotos: Atlas 5 rocket receives its payload for Jan. 19 launch
The third Space Base Infrared Systems Geosynchronous Earth Orbit, or SBIRS GEO Flight 3, was hoisted atop the Atlas 5 on Jan.12 to complete the pre-flight assembly of the 189-foot-tall rocket for launch.
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.