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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.
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 made its debut during a December 2004 demonstration flight from Launch Complex 37. At that time, it was the most powerful rocket launched from Cape Canaveral save the Saturn V ...
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.
NROL-26 was the first Delta IV Heavy EELV launch for the NRO. USA 202, a classified reconnaissance satellite, lifted off 18 January 2009. [90] NROL-32 was a Delta IV Heavy launch, carrying a satellite for NRO. The payload is speculated to be the largest satellite sent into space.
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, a massively powerful rocket, is scheduled to launch Tuesday, a day after Palm Beach County will see a partial solar eclipse. The Delta IV Heavy, a massively powerful rocket, is ...
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 ...