It's the final countdown for Delta IV Heavy, United Launch Alliance's powerful rocket. And it's one you won't want to miss. When it launches. At 2:47 p.m. EDT Thursday, March 28, ULA called a scrub.
A Delta 4 Heavy rocket carrying a payload for the National Reconnaissance Office prepares to lift off June 11 from Cape Canaveral Air Force Station. Credit: Josh Dinner/SpaceNews WASHINGTON — The Air ...
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