AKA: Minuteman 1A T-1. Status: Retired 1966. Thrust: 792.00 kN (178,048 lbf). Gross mass: 22,900 kg (50,400 lb). Unfuelled mass: 2,500 kg (5,500 lb). Burn time: 59 s. Height: 7.50 m (24.60 ft). Diameter: 1.68 m (5.51 ft).