Next attempt is TBD. Here's a link to the Space Team's live coverage blog, which has updates. Original story: It's the final countdown for Delta IV Heavy, United Launch Alliance's powerful rocket.

A Delta IV Heavy rocket has successfully put into ... The weather conditions were only 40% favorable for the launch. The live broadcast of the launch on ULA website was concluded six minutes ...

CAPE CANAVERAL, Fla. – It wouldn't be a final Delta IV Heavy rocket launch without the wait. On Tuesday, United Launch Alliance completed the bittersweet sendoff, marking the last mission of the Delta ...

SpaceX CEO and chief designer, Elon Musk, says this is more than double that of the world's next most powerful rocket, the Delta IV Heavy. The launch generated a huge amount of interest online ...

From your TV apps, select the YouTube app, search for United Launch Alliance's channel and click on the Delta IV Heavy NROL-70 mission live broadcast for April 9, 2024. United Launch Alliance will ...