7 Terms
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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.
Industry: Military
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Missile defense
maintainer
Military; Missile defense
An individual responsible for retaining the major defense system in or restoring it to a specified condition. Maintenance activities include inspection, testing, servicing, classification as to ...
zero point
Military; Missile defense
The location of the center of a burst of a nuclear weapon at the instant of detonation. The zero point may be in the air or on or beneath the surface of land or water, dependent upon the type of ...
rescission
Military; Missile defense
An action by the President canceling budget authority previously appropriated but not yet obligated or spent. If both Houses of Congress do not approve the proposed rescission within 45 days, the ...
spacetrack
Military; Missile defense
USSPACECOM global system of radar, optical, and radiometric sensors linked to a computation and analysis center in the Space Surveillance Center. The Spacetrack mission is detection, tracking, and ...
resolution
Military; Missile defense
1. The ability of a sensor to measure the separation of an image into its constituent objects so that single objects are visible and distinguishable. 2. A measurement of the smallest detail that can ...
obligation
Military; Missile defense
A duty to make a future payment of money. The duty is incurred as soon as an order is placed, or a contract is awarded. The placement of an order is sufficient. An obligation “legally” encumbers a ...
tropopause
Military; Missile defense
The imaginary boundary layer dividing the stratosphere from the lower part of the atmosphere, the troposphere. The tropopause normally occurs at an altitude of about 7.62km to 13.71km in polar and ...
