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X-250
Part of X-200 stage series Family
Hercules solid rocket engine. Polaris A2E, Polaris A2 second stage.

AKA: Polaris A2-2;Polaris A2E-2. Status: Retired 1969. Gross mass: 4,200 kg (9,200 lb). Unfuelled mass: 860 kg (1,890 lb). Height: 2.10 m (6.80 ft). Diameter: 1.37 m (4.49 ft).



Country: USA. Launch Vehicles: Polaris A2, Polaris A2E. Propellants: Solid. Stages: X-250. Agency: Lockheed, Alleghany, Hercules.

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