K-day — The basic date for the introduction of a convoy system on any particular convoy lane.
See also D-day; M-day.
key employee — Any Reservist identified by his or her employer, private or public, as filling a key position.
key facilities list — A register of selected command installations and industrial facilities of primary importance to the support of military operations or military production programs. It is prepared under the policy direction of the Joint Chiefs of Staff.
key point — (*) A concentrated site or installation, the destruction or capture of which would seriously affect the war effort or the success of operations.
key position — A civilian position, public or private (designated by the employer and approved by the Secretary concerned), that cannot be vacated during war or national emergency.
keystone publications — Joint doctrine publications that establish the doctrinal foundation for a series of joint publications in the hierarchy of joint publications. Keystone publications are provided for joint personnel, intelligence, operations, logistics, plans, and command, control, communications, and computer systems support series publications. See also above- the-line publications; below-the-line publications; capstone publication; joint publication. (JP 1-01)
key terrain — (*) Any locality, or area, the seizure or retention of which affords a marked advantage to either combatant. See also vital ground.
kill box — A three-dimensional area reference that enables timely, effective coordination and control and facilitates rapid attacks. (JP 3-60)
killed in action — A casualty category applicable to a hostile casualty, other than the victim of a terrorist activity, who is killed outright or who dies as a result of wounds or other injuries before reaching a medical treatment facility. Also called KIA. See also casualty category.
killing zone — An area in which a commander plans to force the enemy to concentrate so as to be destroyed with conventional weapons or the tactical employment of nuclear weapons.
kill probability — (*) A measure of the probability of destroying a target.
kiloton weapon — (*) A nuclear weapon, the yield of which is measured in terms of thousands of tons of trinitrotoluene explosive equivalents, producing yields from 1 to 999 kilotons. See also megaton weapon; nominal weapon; subkiloton weapon.
As Amended Through 9 June 2004