Both of the currently active ULA launch vehicles are beginning to phase out, to be replaced by Vulcan. Just five Delta IV Heavy launches remain on the manifest, all NRO launches procured under the ...

Vulcan flew twice in 2024 but the second mission had a rough ride to space. Those problems are the primary culprit behind ...

As SpaceX competes for the right to launch future US military satellites ... spacecraft – which are currently launched by the Delta IV Heavy rocket. KH-11 is a series of very large imaging ...

Yet including development costs, NASA spent an average of more than $1.7 billion (in 2017 dollars) per space shuttle launch. Today, the government uses Delta IV Heavy rockets to launch the ...

Last launch ever for Delta IV Heavy, which'll send classified payload into orbit for National Reconnaissance Office national ...