The penultimate Delta IV Heavy rocket from ULA prepares to launch a mission for the National Reconnaissance Office on July 21. (Spectrum News/Will Robinson-Smith) ...

The Delta IV Heavy rocket was easily recognized in the Space Coast’s skies for its white-and-orange color scheme and its three first-stage rocket boosters, also called common booster core tanks.

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 last Delta-IV Heavy type model, built in Alabama, blasted off from Florida’s Cape Canaveral Air Force Station. The booster carried the NROL-70 payload, reportedly a spy satellite, for the National ...

A United Launch Alliance (ULA) Delta IV Heavy rocket successfully launched the NROL-70 mission for the National Reconnaissance Office (NRO) for the final time on Tuesday afternoon.

The United Launch Alliance is expected to oversee the final deployment of the Delta IV Heavy as it lifts a National Reconnaissance Office satellite into space on a national security mission.

The storied career of the Delta family of rockets had to wait a little longer than planned to turn the page on its final chapter, but the last of its kind lifted off on the Space Coast today.

It's the final countdown for Delta IV Heavy, United Launch Alliance's powerful rocket. You can "see" it on your iPhone, Android, flatscreen or tablet.

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 ...

This was the 16th and final launch of a Delta IV Heavy rocket. According to ULA, the Delta rocket was first launched in 1960.

The Delta IV Heavy, which had flown 15 times before this launch since its debut in 2004, was the lone remaining rocket of the Delta family.