United Launch Alliance
922 articles
No imminent X-37B landing planned
The enigmatic X-37B spaceplane, launched into low-Earth orbit on an experimental military mission in 2015, continues to circle the planet despite a flurry of landing rumors.
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.
WorldView 4 high-resolution satellite now open for business in space
Less than three months after rocketing into space, the commercial WorldView 4 Earth-imagery satellite has finished in-orbit testing and calibration to begin operations for DigitalGlobe.
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.