Minuteman
LGMm3O
SPECIFICATIONS
Minuteman IA -IB -11 -111
Length: 53 ft 8 in 55 ft 11 in 57 ft 7 in 59 ft
9.5 in
Diameter: Max all models 5 ft 6 in
Weight: 652000 lb 73.000 lb 78.000 lb
PERFORMANCE
Range: 6300 mi 7021 mi 8083 mi with Mk-12
RV
Speed: all models - 15,000 mp
Ceiling: all models-700 mi
CEP: approx 3000 ft unspecified 1200 ft with Mk-
12: 900 ft
Mk- 1 2a:700 ft
PROPULSION
First Stage: all models-Thiokol M-55E solid fuel motor
Max Thrust: 210,000 lb
Second Stage: Minuteman 1-Aerojet General solid fuel
rocket
rocket motor
Max Thrust: 60,000 lb
Minuteman 11 & III - Aerojet General SR- 19-AJ- 1
solid fuel
rocket motor
Max Thrust: 60,300 lb
Third Stage: Minuteman I&II - Hercules solid fuel
motor
Max Thrust: 35,000 lb
Minuteman Ill-Thiokol solid fuel motor 73-AJ-1
Max Thrust: 34,300 lb
Post Boost Stage: Minuteman 111 only-Rocketdyne RS-14
restartable liquid fuel motor burning a 1: 1. 6 ratio
of monomethylhydrazine and nitrogen tetroxide. Max Thrust: 315 lb
GUIDANCE Inertial system by Autonetics division of Rockwell
International
WARHEAD Minuteman IA-one Mk-5 re-entry vehicle carry-
ing a W-59 warhead of 1 Mt yield
Minuteman IB&11 -one Mk- 1 1 re-entry vehicle carrying a W-56 warhead of 1-2 Mt yield
Minuteman 111 - either three Mk- 1 2 re-entry vehicles, each carrying a 170 kt W-64 warhead, or three Mk- 12a re-entry vehicles carrying 340 kt W-78 warheads. Seven small re-entry vehicles have been successfully launched by the Minuteman 111 but this configuration is not deployed
CONTRACTOR Boeing Aerospace
NUMBER OF MISSILES DEPLOYED
Min 1A- 150 total deployed; none in service after 1969
Min 1B - 650 total deployed; none in service after 1974
Min 11 - 500 total deployed; 450 in service as of 1982
Min 111 - 550 total deployed; 540 in service as of January
1987