“United Launch Alliance is preparing to launch the final Delta IV Heavy rocket this week for the National Reconnaissance Office. Dating back to 1960, the Delta program enabled the original GPS ...

Despite two delays due to weather and a valve issue, the United Launch Alliance was able to launch its Delta IV Heavy rocket early Thursday morning for a classified mission. The 235-foot-tall Delta IV ...

The United Launch Alliance's (ULA's) Delta IV heavy-lift rocket launched the NROL-70 mission from Space Launch Complex-37 at Cape Canaveral Space Force Station in Florida. It was the final launch for ...

It carried a top-secret payload for the US military. Much has changed in spaceflight since then. The Titan IIIC would bow out in 1982 after dozens of launches. Various Titans continued launching from ...

SpaceX sued the US Air Force in 2014 for the right to compete for military launch contracts, and the Pentagon relented the following year, making SpaceX eligible to bid against ULA. SpaceX won its ...

Delta IV was a group of five expendable launch systems in the Delta rocket family. It flew 45 missions from 2002 to 2024. Originally designed by Boeing's Defense, Space and Security division for the ...

United Launch Alliance on Wednesday tested its new Vulcan rocket at Cape Canaveral Space Force Station in Florida.