In a letter, the representatives said the service should not provide funding for ULA's development of Vulcan unless it has "full access, oversight of, and approval rights over decision-making."
The launch was scheduled for March 8, carrying WGS-9, the Air Force’s next Wideband Global Satcom satellite.
NASA awarded a contract to United Launch Alliance March 3 for the launch of the second in a series of next-generation polar-orbiting weather satellites.
NROL-79 took off at 12:50 pm Eastern from Vandenberg Air Force Base, California, on ULA’s 21st mission for the intelligence agency.
SBIRS GEO-3 launched successfully aboard a ULA Atlas 5 from Cape Canaveral, Florida, on Jan. 20.
The launch of an Air Force missile warning satellite didn't go as planned Thursday as technical and range issues scrubbed the launch for a day.
United Launch Alliance is paying the federal government $100,000 to settle allegations employees received kickbacks from a subcontractor.
The prominent launch company announced an Air Force mission will be its first 2017 launch
After nearly two months of delay due to wildfires, United Launch Alliance successfully launched an Atlas 5 rocket Nov. 11 carrying an important imaging satellite for DigitalGlobe.
Hughes’ latest high-throughput satellite, Echostar 19, reached Florida’s Cape Canaveral Air Force Station last week in preparation for a Dec. 16 launch atop an Atlas 5 rocket.
The U.S. Air Force on Sept. 29 called for bids from SpaceX and United Launch Alliance for a mid-2019 launch of an experimental blast-detection satellite and a half-dozen smaller spacecraft that will tag along for the ride.
United Launch Alliance and the U.S. Air Force signed an agreement Sept. 27 that will guide the military's certification of the Vulcan rocket ULA is developing as the successor to its Atlas 5 and Delta 4 launchers.
Despite two failures in a little more than one year, SpaceX’s Falcon 9 vehicle is not in immediate danger of losing its Air Force certification, a top Defense Department official said Sept. 13.