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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 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 meter diameter composite fairing was standard on the Delta IV Heavy, [26] with an aluminum ...
The launch was conducted by ULA and was the first flight of a Delta IV Heavy from Vandenberg. [35] On 24 September 2022, ULA launched the last Delta IV Heavy from the pad, concluding their use of SLC-6. [36] Vulcan Centaur, Delta IV Heavy's successor, will launch from SLC-3E at Vandenberg, currently used by Atlas V. [37]
This is a list of launches made by the PGM-17 Thor IRBM, and its derivatives, including the Delta family and the Japanese N-I, N-II and H-I rockets which were based on license-produced components. Due to the number of launches, it has been split by decade:
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 ...
Delta IV Heavy: Success 42 26 April 2021 Vandenberg, SLC-6: KH-11 Kennen 18 Delta IV Heavy: Success 43 24 September 2022 Vandenberg, SLC-6: KH-11 Kennen 18 Delta IV Heavy: Success 44 22 June 2023 Cape Canaveral, SLC-37B: Orion 11 / Mentor 9 Delta IV Heavy: Success 45 9 April 2024 Cape Canaveral, SLC-37B: Orion 12 / Mentor 10
An RS-68 was part of each Delta IV Common Booster Core. The largest of the launch vehicles, the Delta IV Heavy, used three CBCs mounted together. [8] The engine produced 758,000 pounds-force (3,370 kN) in a vacuum and 663,000 pounds-force (2,950 kN) at sea level. The engine's mass was 14,560 pounds (6,600 kg).
A heavy-lift launch vehicle (HLV) is an orbital launch vehicle capable of lifting payloads between 20,000 to 50,000 kg (44,000 to 110,000 lb) (by NASA classification) or between 20,000 to 100,000 kilograms (44,000 to 220,000 lb) (by Russian classification) [1] into low Earth orbit (LEO). [2]