Missile defense

Missile defense

Measures designed to detect, identify, track, and defeat attacking (ballistic) missiles in both strategic and theater tactical roles, during any portion of their flight trajectory (boost, post-boost, midcourse, or terminal) or to nullify or reduce the effectiveness of such attack.

Industry: Military

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Missile defense

leakage

Military; Missile defense

The allowable threat objects passing through a BMD system expressed as a percentage of the threat. To ensure overall system performance, permitted leakage is “budgeted” among individual BMD phases ...

impulse

Military; Missile defense

A mechanical jolt delivered to an object. Physically, impulse is a force applied for a period of time, and the System Internationale Unit of impulse is the newton-second (abbreviated N-s). (See ...

mock-up

Military; Missile defense

A model, built to scale, of a machine, apparatus, or weapon. It is used in examining the construction of critical clearances, in testing a new development, or in teaching personnel how to operate or ...

gateway

Military; Missile defense

An element that contained a node on the SDS backbone network as well as on some other network(s) and would have performed protocol and format conversions necessary to accept messages from one network ...

booster

Military; Missile defense

An auxiliary or initial propulsion system that travels with a missile or aircraft and that may or may not separate from the parent craft when its impulse has been delivered. A booster system may ...

pumping

Military; Missile defense

The raising of the molecules or atoms of a lasant to an energy state above the normal lowest state to produce laser light. This results when they fall back to a lower state. Pumping may be done using ...

project summary work breakdown structure (WBS)

Military; Missile defense

A summary WBS tailored to a specific defense materiel item by selecting applicable elements from one or more summary WBSs or by adding equivalent elements unique to the project (MIL-STD-881A).