American manned rescue spacecraft. Study 1976. The Rockwell Spherical Heat Shield escape concept used a return capsule shell like a Vostok capsule cut in half. Two crew could be returned in a pressurized environment. Mass per crew 220 kg.
AKA: Spherical Heat Shield escape concept. Status: Study 1976. Gross mass: 445 kg (981 lb). Height: 1.50 m (4.90 ft). Span: 2.20 m (7.20 ft).