Re: Atlas V 551 : Amazon Leo LA-04 : CCSFS SLC-41 : 16 December 2025 (08:28 UTC)

QuoteDec 16 01:44Centaur's liquid hydrogen tank is 50 percent full. The cryogenic propellant will be consumed with liquid oxygen by the stage's Aerojet Rocketdyne RL10C-1-1 engine.