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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

pre-attack

Military; Missile defense

A period of time immediately prior to an attack, usually hours to minutes to tipoff.

black body

Military; Missile defense

An ideal body which would absorb all (and reflect none) of the radiation falling upon it.

mono track

Military; Missile defense

Data on the location and movement of an object in space, that can be derived by a single sensor.

transition

Military; Missile defense

The period in which the world strategic balance would shift from offense-dominance to defense-dominance.

SBIRS hgh

Military; Missile defense

SBIRS high altitude component consisting of four SBIRS GEO satellites and infrared sensors on two HEO satellites.

ionization

Military; Missile defense

The process of producing ions by the removal of electrons from, or the addition of electrons to atoms or molecules.

PERT chart

Military; Missile defense

A graphic portrayal of milestones, activities, and their dependency upon other activities for completion, and depiction of the critical path.

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