ICBM Post Boost Vehicles


Minuteman III Propulsion System Rocket Engine (PSRE) provides the Minuteman III missile with post boost propulsion (both down-range and/or cross-range extension) and precise attitude and velocity adjustments. The PSRE consists of a gas storage assembly, two propellant storage assemblies containing a hypergolic mixture of nitrogen tetroxide as the oxidizer and monomethylhydrazine as the fuel, a gimbaled axial engine, 10 attitude-control engines, and the required interconnecting propellant manifold assemblies packaged within a cylindrical metal shell approximately 52 inches in diameter and 18.9 inches long. Production status: Flight proven