Joint Publication 1-02 DoD Dictionary of Military ... - AcqNotes.com

As Amended Through 15 August 2011
data item — A subunit of descriptive information or value classified under a data element.
For example, the data element “military personnel grade” contains data items such as
sergeant, captain, and colonel.
date-time group — The date and time, expressed as six digits followed by the time zone
suffix at which the message was prepared for transmission (first pair of digits denotes
the date, second pair the hours, third pair the minutes, followed by a three-letter month
abbreviation and two-digit year abbreviation.). Also called DTG. (JP 5-0)
datum (geodetic) — 1. A reference surface consisting of five quantities: the latitude and
longitude of an initial point, the azimuth of a line from that point, and the parameters of
the reference ellipsoid. 2. The mathematical model of the earth used to calculate the
coordinates on any map. Different nations use different datums for printing coordinates
on their maps. The datum is usually referenced in the marginal information of each
map.
davit — A small crane on a vessel that is used to raise and lower small boats, such as
lifeboats, side loadable warping tugs, or causeway sections. (JP 4-01.6)
D-day — See times. (JP 3-02)
de-arming — An operation in which a weapon is changed from a state of readiness for
initiation to a safe condition. Also called safing. See also arm or de-arm. (JP 3-04)
debarkation — The unloading of troops, equipment, or supplies from a ship or aircraft. (JP 3-02.1)
debarkation schedule —A schedule that provides for the timely and orderly debarkation
of troops and equipment and emergency supplies for the waterborne ship-to-shore
movement. (JP 3-02.1)
deceased — A casualty status applicable to a person who is either known to have died,
determined to have died on the basis of conclusive evidence, or declared to be dead on
the basis of a presumptive finding of death. The recovery of remains is not a
prerequisite to determining or declaring a person deceased. See also casualty status.
decentralized control — In air defense, the normal mode whereby a higher echelon
monitors unit actions, making direct target assignments to units only when necessary to
ensure proper fire distribution or to prevent engagement of friendly aircraft. See also
centralized control. (JP 3-01)
decentralized execution — Delegation of execution authority to subordinate commanders.
(JP 3-30)
deception — Those measures designed to mislead the enemy by manipulation, distortion, or
falsification of evidence to induce the enemy to react in a manner prejudicial to the
enemy’s interests. See also counterdeception; military deception. (JP 3-13.4)
92 JP 1-02