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In September 2020, ULA announced they were studying a "Vulcan Heavy" variant with three booster cores. Speculation about a new variant had been rampant for months after an image of a model of that version popped on social media. ULA CEO Tory Bruno later tweeted a clearer image of the model and said it was the subject of ongoing study. [23] [110]
Falcon 9 Block 5, the most prolific active orbital launch system in the world. This comparison of orbital launch systems lists the attributes of all current and future individual rocket configurations designed to reach orbit.
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
SpaceX's flagship Falcon 9 is slightly less powerful, but its more expensive Falcon Heavy - three Falcon boosters strapped together - can put up to 140,000 pounds (63,500 kg) to low Earth orbit ...
Vulcan, developed to replace ULA's workhorse Atlas V rocket and rival the reusable Falcon 9 from Elon Musk's SpaceX, took off from the Cape Canaveral Space Force Station in Florida. It had ...
The Vulcan's two Blue Origin-built BE-4 engines and twin solid rocket boosters, or SRBs, thundered to life at 7:25 a.m. EDT, shattering the morning calm with the crackling roar of 2 million pounds ...
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 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 the Atlas V's old pad of SLC-3E at Vandenberg. [37]