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. After a launch attempt March 28, ULA ...

The final flight of United Launch Alliance’s Delta IV Heavy rocket took off Tuesday from Cape Canaveral, Florida, with a classified spy satellite for the National Reconnaissance Office. The Delta IV ...

Delta IV Heavy made its debut during a December 2004 demonstration flight from Florida's Launch Complex 37. United Launch Alliance's last Delta IV Heavy triple-core rocket will launch on the NROL-70 ...

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 attempt ...

Ending an era in U.S. rocketry, United Launch Alliance fired off its 16th and final triple-core Delta 4 Heavy Tuesday, launching a classified spy satellite in the last hurrah of a storied family of ...

CAPE CANAVERAL SPACE FORCE STATION — Space lovers far and wide got to see United Launch Alliance’s Delta IV Heavy rocket take off for the last time on Tuesday afternoon. The 235-foot rocket took off ...

Firing up its three core boosters and RS-68A engines, the last 235-foot tall Delta IV Heavy rumbled into the record books Tuesday afternoon on a historic farewell flight from Cape Canaveral Space ...

A United Launch Alliance Delta 4 Heavy launched NROL-70 at 12:53 p.m. Eastern from Space Launch Complex-37 at Cape Canaveral Space Force Station. Credit: ULA webcast COLORADO SPRINGS — In a historic ...