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Photos: Atlas 5 rocket assembled to launch the S.S. John Glenn
A United Launch Alliance Atlas 5 rocket, flying in its basic two-stage configuration with no strap-on solids, was stacked aboard a mobile launch platform at Cape Canaveral's Vertical Integration Facility on Feb. 22 and 23 in preparation to send Orbital ATK's S.S. John Glenn cargo ship into orbit for the International Space Station.

Commercial space cargo ship’s ride to orbit assembled for March 19 launch
An Atlas 5 booster core and Centaur upper stage have been stacked to launch another commercial freighter with supplies and scientific research gear to the International Space Station next month.

ULA’s navy delivers rocket that will launch supplies to the space station
The ocean-sailing ship that transports rocket stages from United Launch Alliance's factory to U.S. launch sites completed its latest voyage overnight, pulling into port to deliver the Atlas 5 that will send a cargo freighter to the International Space Station in March.

Photos: America’s 100th EELV blasts off
The 100th flight of America's Evolved Expendable Launch Vehicle program -- a United Launch Alliance Atlas 5 rocket -- departed Cape Canaveral on Saturday evening carrying the most advanced U.S. weather satellite ever made.

Photos: Atlas 5 launches new weather observer
Launching the high-tech GOES-R satellite to revolutionize U.S. weather forecasting, a United Launch Alliance Atlas 5 rocket thunders away from Cape Canaveral on Saturday at 6:42 p.m. EST (2342 GMT).
VideoAtlas 5 launches the most advanced U.S. weather satellite in history
Revolutionizing the way American meteorologists see the weather, likened to the advancement from black and white television to modern high definition TV, a new observatory was successfully launched Saturday by an Atlas 5 rocket to serve as the linchpin to forecasting what tomorrow will bring.

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.

Live coverage: Atlas 5 countdown and launch journal
Advancing the future of weather forecasting in the U.S., a United Launch Alliance Atlas 5 rocket lifted off from Cape Canaveral at 6:42 p.m. EST (2342 GMT) today to deploy the GOES-R satellite, anext-generation geostationary observatory that promises unprecedented clarity and speed in tracking storms. Follow the ascent in our live journal.

Timeline: Atlas 5/GOES-R ascent profile
This is the launch timeline to be followed by the Atlas 5 rocket’s ascent into orbit from Cape Canaveral with the advanced GOES-R weather satellite for NASA and NOAA. Launch is scheduled for Saturday at 5:42 p.m. EST (2242 GMT).
VideoMilestone-setting 100th EELV rocket moves to launch pad
The 100th rocket in America's Evolved Expendable Launch Vehicle program, the current fleet of boosters used by the nation to get its critical assets into space, was rolled to the pad Friday morning for a vital mission on Saturday.