Maine; and Buckhorn.

Pounds); ballasted weight is 49 900 kilograms (24 000 pounds) Propellant: 502 125 kilograms (1 359 142 pounds) Liquid hydrogen: 102618 kilograms (226 237 pounds) Total: 719 112 kilograms (1 667 677 pounds) PROPELLANT VOLUME Liquid oxygen tank.