Export restricted (ITAR), sale only to US Citizens and Organizations. Visually appealing roll control thruster assembly affiliated with the Polaris/Poseidon intercontinental ballistic missile ICBM, measuring approximately 12″ x 5″ x 3.5″, with a metal Sterer Engineering manufacturer's band at center: "Electro-Pneumatic Thrust Valve Assembly, Part Number 202501-1, Serial 5." Reverse bears indistinct date and inspection stamps. An interesting piece, with the miniature thrusters pointed in three different directions.
From The Peter Gerry Collection.