Delta 4 Heavy PSP launch
A United Launch Alliance Delta IV rocket lifts off from Cape Canaveral Air Force Station, Fla., carrying Geosynchronous Space Situational Awareness Program satellites for the Air Force. The service has been stepping up its investment in SSA - both within the military and with the commercial sector. Credit: ULA
A ULA Delta 4 lifts off from Cape Canaveral Air Force Station March 18, carrying the Wideband Global Satcom 9 satellite. Credit: ULA
WGS-8 awaits launch aboard a ULA Delta 4 rocket early in the afternoon of Dec. 7 in Cape Canaveral, Fla. Credit: ULA
The Air Force's Wideband Global Satcom satellite 8 launches aboard a ULA Delta 4 rocket Dec. 7. Credit: ULA
In preparation for the Aug. 19 launch, the Mobile Service Tower is rolled back from a Delta 4 rocket carrying the AFSPC-6 mission. Credit: ULA.
A ULA Delta 4 Heavy launch of a satellite for the NRO was delayed after poor weather conditions Thursday. Credit: NASA
Sen. Dianne Feinstein
GPS 2F-9 launch
NASA Solar Probe Plus
ULA Chief Executive Tory Bruno
Students, teachers, parents and spectators watch as Space Shuttle Discovery launches in October 2007. Photo credit: NASA/KSC