An unmanned military spaceplane was returned to orbit atop an Atlas 5.
ULA said a fuel leak was behind a performance issue with a Delta 4 rocket's upper-stage during an Oct. 4 launch.
The first flight of the Orion Multi-Purpose Crew Capsule will be no sooner than September 2014, the earliest a United Launch Alliance Delta 4 rocket will be available to launch the craft, NASA’s human spaceflight chief told lawmakers in a Sept. 14 hearing.
WASHINGTON — NASA has claimed three of the five remaining rockets from the discontinued Delta 2 program and will use those vehicles, along with a relatively new rocket design, the Falcon 9, to launch four Earth observation satellites from the West Coast between 2014 and 2016, NASA announced July 16.
WASHINGTON — Boeing and United Launch Alliance (ULA), a Boeing-Lockheed Martin joint venture, are suing the U.S. Air Force, claiming the service owes the companies more than $385 million in costs incurred on the Delta 4 rocket program.
WASHINGTON — A United Launch Alliance (ULA) Delta 4 Heavy rocket successfully launched a classified payload for the U.S. National Reconnaissance Office (NRO) June 29 from Cape Canaveral Air Force Station, Fla., the NRO and the company announced.
WASHINGTON — The scheduled June 28 launch of a U.S. national security satellite aboard a United Launch Alliance (ULA) Delta 4 Heavy rocket will debut a new and more-powerful variant of the vehicle’s RS-68 main engine that the company says will help cut costs and add flexibility to its fleet.
CAPE CANAVERAL, Fla. — The selection of the Delta 4 rocket’s upper stage for use on two test flights of NASA’s planned heavy-lift Space Launch System (SLS) could position the Delta 4 as an astronaut-launching vehicle.
NEW YORK — An unmanned rocket blasted off from the California coast April 3 carrying the first of four classified satellites the U.S. military plans to launch this year.
WASHINGTON — NASA expects to order launches for three Earth science missions by the end of the summer, and United Launch Alliance (ULA) looks like the strongest contender for the job with its medium-lift Delta 2 rocket, an agency official said.
PARIS — The October launch of a U.S. meteorological satellite and six microsatellites was a model of how mission managers can minimize the production of orbital debris, NASA said.
WASHINGTON — NASA intends to add $375 million to Lockheed Martin Space Systems’ $6.4 billion Orion space capsule contract so that the company can procure a Delta 4 rocket to power a 2014 test flight of the next-generation crew vehicle.
WASHINGTON — NASA wants to conduct a 2014 test flight of the Multi-Purpose Crew Vehicle (MPCV) aboard a Delta 4 rocket, for which the agency would expect to pay about $370 million, according to Johnson Space Center Director Michael Coats.