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They start with VC for the Vulcan first stage and the Centaur upper stage. The third character is the number of SRBs attached to the Vulcan—0, 2, 4 or 6—and the fourth denotes the payload-fairing length: S for Standard (15.5 m (51 ft)) or L for Long (21.3 m (70 ft)). [77]
It was launched on the maiden flight of Vulcan Centaur on 8 January 2024, 07:18 UTC. [1] The Vulcan Centaur successfully placed Peregrine into trans-lunar injection , however, following a fuel leak with the spacecraft unrelated to the Vulcan Centaur, the lander failed in its attempt to land on the moon.
In September 2015, pad modifications began to support human spaceflight with the Boeing CST-100 Starliner. [6] [7] Modifications include the addition of a launch service tower to provide access to the capsule for "pre-launch processing, crew access, and safety egress systems should the need to evacuate Starliner on the pad occur".
The Vulcan Centaur is a heavy-lift launch vehicle developed by ULA integrating technology from both its prior Atlas and Delta rocket families along with advancements. Vulcan has been designed to meet the requirements of the National Security Space Launch (NSSL) program and be capable of achieving human-rating certification to allow the launch ...
The RL10 is a liquid-fuel cryogenic rocket engine built in the United States by Aerojet Rocketdyne that burns cryogenic liquid hydrogen and liquid oxygen propellants. Modern versions produce up to 110 kN (24,729 lb f) of thrust per engine in vacuum.
Engine Origin Designer Vehicle Status Use Propellant Power cycle Specific impulse (s) [a] Thrust (N) [a] Chamber pressure (bar) Mass (kg) Thrust: weight ratio [b] Oxidiser: fuel ratio
The first digit represents the payload fairing diameter, either 4.2 meters (indicated by a 4) or 5.4 (indicated by a 5) meters. The second digit is for the number of solid rocket boosters (0 to 5) to be used, and the third digit the number of RL-10 engines on the Centaur upper stage (1 or 2).
Vulcan Centaur had been projected to enter service by 2023, using the BE-4 methane-fueled rocket engine, [30] [31] but the first Vulcan launched on 8 January 2024. [32] The Atlas V is expected to stay in service for a few years after Vulcan's inaugural launch, and the Delta IV Heavy was discontinued in April 2024.