The countdown continues for Thursday’s launch of the United Launch Alliance’s Delta IV Heavy rocket carrying the NROL-70 mission for the National Reconnaissance Office.

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 ...

The Delta IV Heavy is always a spectacular launch thanks to 2.2 million pounds of thrust and an interesting quirk at launch that makes it look like the rocket is on fire. “To me, it is kind of sad.

The Delta IV Heavy is part of a family of rockets that have long served the Department of Defense and NASA. Delta IV Heavy is on the launch pad now at the Cape Canaveral Space Force Station and is ...

The much-anticipated Delta IV Heavy rocket will potentially launch from Cape Canaveral − for the very last time − on Tuesday, April 9, with the launch at 12:53 p.m. EDT, pending range approval.

The much-anticipated Delta IV Heavy rocket will potentially launch from Cape Canaveral − for the very last time − on Tuesday, April 9, with the launch at 12:53 p.m. EDT, pending range approval.

The Delta IV Heavy rocket will attempt to launch at 12:53 p.m. EDT Tuesday, April 9, to deliver NROL-70, a National Reconnaissance Office mission, to space from Space Launch Complex-37 at Cape ...

The final launch for United Launch Alliance's powerful rocket − Delta IV Heavy − is one you won't want to miss. When it launches. At 2:47 p.m. EDT Thursday, March 28, ULA called a scrub.

Fiery scenes from a Sept. 24, 2022, liftoff of a Delta IV Heavy rocket. Video by United Launch Alliance The Delta IV Heavy burns ultracold liquid hydrogen, which is a high-performance fuel.

Delta IV Heavy, we're ready for your fiery − and final − show. The last launch ever for United Launch Alliance's powerful rocket is one you won't want to miss. The Delta IV Heavy rocket will ...

But the Delta IV Heavy is expensive. At one time, a single launch on this expendable rocket cost as much as $400 million, although the government secured a somewhat lower price from ULA for buying ...