AKA: X-20 Glider. Status: Cancelled 1963. Payload: 450 kg (990 lb). Gross mass: 5,165 kg (11,386 lb). Height: 10.78 m (35.36 ft). Diameter: 1.57 m (5.15 ft).
Crew Size: 1. Habitable Volume: 3.50 m3.