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The Delta IV Heavy (Delta 9250H) was an expendable heavy-lift launch vehicle.When it was in service from 2004 to 2024, it was the largest type in the Delta IV family and was the world's second highest-capacity rocket in operation, behind SpaceX's Falcon Heavy rocket and closely followed by CNSA's Long March 5 rocket.
The final launch for United Launch Alliance's powerful rocket − Delta IV Heavy − is later this week. And it's one you won't want to miss. At 1:40 p.m. EST Thursday, March 28, 2024, the Delta ...
The U.S. Space Force and a Boeing-Lockheed joint venture sent a secret reconnaissance payload to orbit on Tuesday atop a Delta IV Heavy rocket, the last flight of a workhorse launch vehicle brand ...
The Delta IV Heavy made its debut during a December 2004 demonstration flight from Launch Complex 37. Mission: ULA's last Delta IV Heavy triple-core rocket will launch on the NROL-70 national ...
Delta IV was a group of five expendable launch systems in the Delta rocket family introduced in the early 2000s. Originally designed by Boeing 's Defense, Space and Security division for the Evolved Expendable Launch Vehicle (EELV) program, the Delta IV became a United Launch Alliance (ULA) product in 2006.
The Delta IV Heavy (Delta 9250H) was an expendable heavy-lift launch vehicle, the largest type of the Delta IV family. It had the highest capacity of any operational launch vehicle in the world after the retirement of the Space Shuttle in 2011 until the Falcon Heavy debuted in 2018, and it was the world's third highest-capacity launch vehicle in operation at the time of its retirement in 2024.
This followed the retirement of Delta II in 2018 and single-stick (non-Heavy) variants of the Delta IV in 2019. With the start of 2024, Vulcan Centaur took its first flight in time to maintain continuity of ULA's service in the heavy-lift launch vehicle market before the Delta IV Heavy program came to an end three months later on April 9, 2024.
The Delta IV Heavy rocket will attempt to launch at 12:53 p.m. EDT Tuesday, April 9, to deliver NROL-70, a National Reconnaissance Office mission, to space from Space Launch Complex-37 at Cape ...