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The Delta IV originally had two main versions which allowed the family to cover a range of payload sizes and masses: the Medium (which had four configurations) and Heavy. [2] Since September 2019, only the Heavy remained active, with payloads that would previously fly on Medium moving to either the existing Atlas V or the forthcoming Vulcan .
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 ...
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 (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 was also the first Delta IV launch contracted by the United Launch Alliance, a joint venture between Boeing and Lockheed Martin. The main payload was the 23rd and final Defense Support Program missile-warning satellite, DSP-23. Launch from Cape Canaveral occurred on 10 November 2007. [89] NROL-26 was the first Delta IV Heavy EELV launch ...
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 ...