U.S. Develops Intermediate-Range, Conventionally Armed Missile for Submarine Deployment

A U.S. defense contractor this month tested a component to an intermediate-range missile that the Defense Department plans to deploy on some U.S. Trident submarines (see GSN, July 24).

The conventionally armed missile, dubbed the Submarine-Launched Intermediate-Range Ballistic Missile, would be able to reach targets 15 minutes after launch, according to Space and Missile Defense Report.

The recent successful test involved a static firing of a second-stage booster motor. The final missile is designed to have two solid-fuel stages, and tests on the first stage were completed last month, according to a release from prime contractor Lockheed Martin (Space and Missile Defense Report, Aug. 15).

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