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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.

Contributors in Missile defense

Missile defense

Interface

Military; Missile defense

1. A shared boundary defined by common physical interconnection characteristics, signal characteristics, and meanings of interchanged signals. 2. A device or equipment making possible interoperation ...

Simulator

Military; Missile defense

A generic term used to describe a family of equipment used to represent threat weapon systems in development testing, operational testing, and training. A threat simulator has one or more ...

Coherence

Military; Missile defense

The matching, in space (transverse coherence) or time (temporal coherence), of the wave structure of different parallel rays of a single frequency of electromagnetic radiation. This results in the ...

Test plan

Military; Missile defense

A document prescribing the approach to be taken for intended testing activities. The plan typically identifies the items to be tested, the testing to be performed, test schedules, personnel ...

Focal plane

Military; Missile defense

The plane, perpendicular to the optical axis of the lens, in which images of points in the object field of the lens are focused.

Ground zero

Military; Missile defense

The point on the surface of the earth at, or vertically below or above, the centre of a planned or actual nuclear detonation.

Selectivity

Military; Missile defense

Refers to choosing a subset of targets either for attack or defense. (See Preferential defence and Preferential Offense.)

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