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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

Subassembly

Military; Missile defense

Two or more parts joined together to form a unit, capable of disassembly, which is only a part of a complete machine, structure, or other article.

Air defence

Military; Missile defense

All measures designed to nullify or reduce the effectiveness of hostile air action. See also active air defense, passive air defense.

Active defence

Military; Missile defense

1. The employment of limited offensive action and counterattacks to deny a contested area or position to the enemy. See also Passive Defense. 2. In-flight intercept and destruction of ballistic ...

Carrier system

Military; Missile defense

A means of obtaining a number of channels over a single path by modulating each channel upon a different "carrier" frequency, and demodulating at the receiving point to restore the signals to their ...

Near real time

Military; Missile defense

Pertaining to the timeliness of data or information that has been delayed by the time required for electronic communication and automatic data processing. This implies that there are no significant ...

Doppler effect

Military; Missile defense

The phenomenon evidenced by the change in the observed frequency of a sound or radio wave caused by a time rate of change in the effective length of the path of travel between the source and the ...

DoD components

Military; Missile defense

The Office of the Secretary of Defense; the Military Departments; the Chairman, Joint Chiefs of Staff and Joint Staff; the Unified and Specified Commands; the defence Agencies; and DoD Field ...

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