Encyclopedia Astronautica
Sprint ABM-2


Solid rocket stage.

AKA: Sprint X271.
Status: Retired 1992.
Height: 5.00 m (16.40 ft).
Diameter: 0.82 m (2.69 ft).

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Associated Countries
Associated Engines
Associated Launch Vehicles
  • Sprint Nuclear-armed point defense anti-ballistic missile, an incredible high-acceleration weapon that would intercept incoming Soviet ICBMs in the atmosphere within 15 seconds of launch. Deployment limited by arms agreements and only 70 were briefly in service in 1975-1976. More...
  • HEDI American anti-ballistic missile. Two stage vehicle consisting of 1 x X-265 + 1 x X-271 More...

Associated Manufacturers and Agencies
Associated Propellants
  • Solid Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. More...

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