搜尋結果
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 launch vehicle in operation at the time of its retirement in 2024, behind NASA 's Space Launch System and SpaceX 's Falcon Heavy and closely followed by CASC 's Long March 5 .
- US$350 million, NRO: US$440 million
- 15
- 2+
- 21 December 2004 (USA-181)
Delta IV Heavy launching The Delta IV Heavy (Delta 9250H) combines a 5 m (16 ft) diameter DCSS and payload fairing with two additional CBCs. These are strap-on boosters which are separated earlier in the flight than the center CBC. As of 2007, a longer 5
- US$164+ million
- 44, Medium: 3, M+ (4,2): 15, M+ (5,2): 3, M+ (5,4): 8, Heavy: 15
- 2
其他人也問了
What is a Delta IV Heavy?
What type of rocket is a Delta IV?
How many types of payloads does a Delta IV have?
What happened to the Delta IV?
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 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. 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 ...
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 launch vehicle in operation at the time of its retirement in 2024, behind NASA 's Space Launch System and SpaceX 's Falcon Heavy and closely followed by CASC 's Long March 5 .
The Delta IV-class submarines employs the D-9RM launch system and carries 16 R-29RMU Sineva liquid-fueled missiles which each carry four independently targetable reentry vehicles (). Unlike previous modifications, the Delta IV-class submarine is able to fire missiles in any direction from a constant course in a circular sector.
The nearest competing U.S. rocket was ULA's Delta IV Heavy with a LEO payload capacity of 28.4 t (63,000 lb) costs US$12,340 per kg to LEO and US$24,630 per kg to GTO. The Delta IV Heavy was retired in 2024.
