Gross Mass: 10,317,000 kg.
Empty Mass: 635,000 kg. Thrust (vac): 16,384,000 kgf. Isp: 454 sec. Burn time: 264 sec. Propellants: Lox/LH2Isp(sl): 377 sec. Diameter: 24.4 m. Span: 26.9 m. Length: 65.7 m. Country: USA. No Engines: 24. CD ModuleStatus: Study 1963. Comments: Operational date would have been October 1977. SSTO; expendable. .