The last Delta IV Heavy rocket lifted off from Cape Canaveral SFS on April 9 on a mission for the National Reconnaissance Office (NRO), marking not only the end of what was once the heaviest-lift U.S.

The penultimate Delta IV Heavy was launched from Cape Canaveral SFS on June 22, 2023, for the NROL-68 mission, setting the stage for the program’s completion with the NROL-70 launch on the last Delta ...

After six decades of launches, the liftoff of the last-ever Delta rocket on Tuesday (April 9) brought with it a change in the way the U.S. sends satellites, interplanetary probes and spacecraft into ...

At 2:47 p.m. EDT Thursday, March 28, ULA called a scrub. Previously, it was scheduled for 2:45 p.m. EDT, 1:40 p.m. EDT and 2:03 p.m. EDT. Next attempt is TBD. The Delta IV Heavy rocket, which had been ...

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 ...

This is the rocket that literally lights itself on fire before it heads to space. It’s the world’s largest rocket entirely fueled by liquid hydrogen, a propellant that is vexing to handle but ...

Delta IV Heavy rocket has 3 Delta IV core stages. Each rocket engine produces up to 702,000 pounds of thrust. The engines aren't small: Just one engine weighs about 14,876 pounds and is 17 feet in ...

Delta IV Heavy made its debut in 2004. At that time, it was the most powerful rocket launched from Cape Canaveral save the Saturn V & space shuttles. The massive Delta IV Heavy has 3 Delta IV core ...