Missile, Surface-to-Surface, Minuteman II, Post-Boost Propulsion System
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Shown here is the post-boost propulsion system for the Minuteman II intercontinental ballistic missile (ICBM). Unlike the solid-propellant lower stages, the post-boost system carried liquid propellants to help steer the missile. The system consists of small propellant tanks and a smaller helium tank to provide pressure to force the propellants into the combustion chambers.
Upon precise electronic commands, the system activates small bursts of thrust from four equidistant nozzles around the wall of the missile, thereby correctiing its attitude.
Bell Aerosystems donated the post-boost propulsion system to the Smithsonian in 1968.
Display Status
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Date
ca. 1964-1966
Country of Origin
United States of America
Type
CRAFT-Missiles & Rockets
Manufacturer
Boeing Dimensions
Overall: 45.1 × 110.5cm (17 3/4 × 43 1/2 in.)
Overall: 326.6kg (720lb.)
Storage: 123.5 × 123.2 × 61cm (48 5/8 × 48 1/2 × 24 in.) Materials
Aluminum
Stainless Steel
Paint
Phenolic Resin
Fiberglass
Plastic
Adhesive
Paper
Ink
Rubber
Steel
Cadmium Plating Inventory Number
A19680574000
Credit Line
Bell Aerosystems Co,
Data Source
National Air and Space Museum
Restrictions & Rights
Usage conditions apply
For more information, visit the Smithsonians Terms of Use.