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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

cipher system

Military; Missile defense

A cryptographic system in which cryptography is applied to plain text elements of equal length.

sweep jamming

Military; Missile defense

A narrow band of jamming that is back and forth over a relatively wide operating band of frequencies.

reentry angle

Military; Missile defense

Elevation angle of velocity vector relative to local horizontal plane when reentering object reaches 92km.

laser weapons

Military; Missile defense

Devices, such as photon generators, that produce a narrow beam of coherent radiated power greater than 1 MW.

hostile track

Military; Missile defense

The classification assigned to a track that, based upon established criteria, is determined to be an enemy threat.

repairability

Military; Missile defense

The probability that a failed system will be restored to operable condition within a specified active repair time.

weapons tight

Military; Missile defense

A weapon control order imposing a status whereby weapons systems may be fired only at targets recognized as hostile.

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