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...

four configurations) and Heavy. The final flight of Medium occurred in 2019. The final flight of Heavy was in April 2024. Delta IV vehicles were built in...

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...

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...

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...

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...

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...

simultaneously. The Delta IV Mobile Service Tower is 330 ft (100 m) tall, and fitted to service all Delta IV configurations, including the Delta IV Heavy. Plans are...