AKA: Ascent Stage. Status: Operational 1968. Thrust: 15.57 kN (3,501 lbf). Gross mass: 4,547 kg (10,024 lb). Unfuelled mass: 2,189 kg (4,825 lb). Specific impulse: 311 s. Height: 3.54 m (11.61 ft). Diameter: 4.27 m (14.00 ft).
Crew Size: 2. Habitable Volume: 6.65 m3. Crew: 144 kg (317 lb). RCS Coarse No x Thrust: 16 x 440 N. RCS specific impulse: 290 sec. Spacecraft delta v: 2,220 m/s (7,280 ft/sec). Electric System: 17.00 kWh. Battery: 800.00 Ah.