Version: Minuteman 1A. IOC: 1963. Department of Defence Designation: LGM-30A. Popular Name: Minuteman 1A. Alternate Designation: SM-80A.
Initial production version, 3 stage vehicle. The Minuteman IA used exclusively the Mk.5 RV with the W59 (1 MT) warhead.
Launches: 82. Failures: 12. Success Rate: 85.37%. First Launch Date: 1959-09-15. Last Launch Date: 1966-10-03. Apogee: 1,300 km (800 mi). Liftoff Thrust: 756.000 kN (169,955 lbf). Total Mass: 31,704 kg (69,895 lb). Core Diameter: 1.89 m (6.20 ft). Total Length: 17.01 m (55.80 ft). Span: 1.89 m (6.20 ft). Standard warhead mass: 450 kg (990 lb). Maximum range: 9,700 km (6,000 mi). Number Standard Warheads: 1. Standard RV: Mk. 5. Standard warhead: W59. Standard warhead yield: 1,000 KT. Standard warhead CEP: 2.58 km (1.60 mi). Boost Propulsion: Solid rocket. Guidance: Inertial. Maximum speed: 29,030 kph (18,030 mph). Ceiling: 1,287,800 m (4,225,000 ft).
- Stage1: 1 x Minuteman 1A T-1. Gross Mass: 22,900 kg (50,400 lb). Empty Mass: 2,500 kg (5,500 lb). Motor: 1 x M55A1. Thrust (vac): 792.000 kN (178,048 lbf). Burn time: 59 sec. Length: 7.50 m (24.60 ft). Diameter: 1.68 m (5.51 ft). Propellants: Solid.
- Stage2: 1 x M56. Gross Mass: 5,170 kg (11,390 lb). Empty Mass: 466 kg (1,027 lb). Motor: 1 x M56A-1. Thrust (vac): 228.400 kN (51,346 lbf). Isp: 297 sec. Burn time: 60 sec. Length: 3.96 m (12.99 ft). Diameter: 1.13 m (3.70 ft). Propellants: Solid.
- Stage3: 1 x Hera-2. Gross Mass: 1,900 kg (4,100 lb). Empty Mass: 300 kg (660 lb). Motor: 1 x M57A1. Thrust (vac): 76.000 kN (17,085 lbf). Burn time: 59 sec. Length: 2.10 m (6.80 ft). Diameter: 0.97 m (3.18 ft). Propellants: Solid.
Version: Minuteman 1B. IOC: 1964. Department of Defence Designation: LGM-30B. Popular Name: Minuteman 1B. Alternate Designation: HSM-80A.
Full production version. Minuteman IB used the Mk.5 RV with the W59 (1 MT), the Mk.11 with the W56 (1.2 MT) and the Mk.11A with the W56 as well.
Launches: 298. Failures: 20. Success Rate: 93.29%. First Launch Date: 1962-12-07. Last Launch Date: 1993-06-15. Apogee: 1,300 km (800 mi). Liftoff Thrust: 756.000 kN (169,955 lbf). Total Mass: 31,704 kg (69,895 lb). Core Diameter: 1.89 m (6.20 ft). Total Length: 17.01 m (55.80 ft). Span: 1.89 m (6.20 ft). Standard warhead mass: 590 kg (1,300 lb). Maximum range: 10,200 km (6,300 mi). Number Standard Warheads: 1. Standard RV: Mk. 5, Mk.11, or Mk.11A. Standard warhead: W59 (Mk. 5) or W56 (Mk. 11). Standard warhead yield: 800 KT. Standard warhead CEP: 1.08 km (0.67 mi). Boost Propulsion: Solid rocket. Guidance: Inertial. Maximum speed: 29,030 kph (18,030 mph). Ceiling: 1,287,800 m (4,225,000 ft). Total Number Built: 930.
- Stage1: 1 x Minuteman-1. Gross Mass: 23,077 kg (50,876 lb). Empty Mass: 2,292 kg (5,052 lb). Motor: 1 x M55/TX-55/Tu-122. Thrust (vac): 791.300 kN (177,891 lbf). Isp: 262 sec. Burn time: 60 sec. Length: 7.49 m (24.57 ft). Diameter: 1.67 m (5.47 ft). Propellants: Solid.
- Stage2: 1 x M56. Gross Mass: 5,170 kg (11,390 lb). Empty Mass: 466 kg (1,027 lb). Motor: 1 x M56A-1. Thrust (vac): 228.400 kN (51,346 lbf). Isp: 297 sec. Burn time: 60 sec. Length: 3.96 m (12.99 ft). Diameter: 1.13 m (3.70 ft). Propellants: Solid.
- Stage3: 1 x Hera-2. Gross Mass: 1,900 kg (4,100 lb). Empty Mass: 300 kg (660 lb). Motor: 1 x M57A1. Thrust (vac): 76.000 kN (17,085 lbf). Burn time: 59 sec. Length: 2.10 m (6.80 ft). Diameter: 0.97 m (3.18 ft). Propellants: Solid.