The Delta IV Heavy (Delta 9250H) was an expendable heavy-lift launch vehicle, the largest type of the Delta IV family. It was the world's third highest-capacity...

masses: the Medium (which had four configurations) and Heavy. As of April 2024, the Delta IV Heavy has been retired after its last mission in April 2024...

than 300 Delta rockets were launched with a 95% success rate. The series was phased out in favor of the Vulcan Centaur, with the Delta IV Heavy rocket's...

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...

maintenance of five launch pads and a number of variants of the Delta II, Delta IV, Delta IV Heavy, and Atlas V rockets. As a result of increasing costs by ULA...

Department of Defense to conduct NSSL launches: Atlas V, Delta IV Heavy, Falcon 9 and Falcon Heavy. Delta IV Medium was retired in August 2019. After a two-year...

modified to support the Delta IV launch vehicle family, which used the pad for ten launches from 2006 until 2022. The last Delta IV launched in September...

DCSS (for Delta IV Heavy). After the retirement of the Delta IV-M and Delta IV-M+ rockets, the DCSS was used solely on the Delta IV Heavy in its 5-meter...

Delta IV, led to the cancellation of the Delta III program. The upgraded boosters would still find use on the Delta II, leading to the Delta II Heavy...

intelligence agencies. It will replace ULA's existing heavy-lift Atlas V and Delta IV Heavy rockets. Vulcan Centaur will also be used for commercial...