Military Glossary

Time of attack
(DOD) The hour at which the attack is to be launched. If a line of departure is prescribed, it is the hour at which the line is to be crossed by the leading elements of the attack.

Time-phased force and deployment list
(DOD) A Joint Operation Planning and Execution System data base located at Appendix 1 to Annex A of deliberate plans. It identifies types and/or actual units required to support the operation plan and indicates origin and ports of debarkation or ocean area. This listing is to include both a. In-place units; and b. Units to be deployed to support the deliberate plan.

TNT equivalent
(DOD, NATO) A measure of the energy released from the detonation of a nuclear weapon, or from the explosion of a given quantity of fissionable material, in terms of the amount of TNT (Trinitrotoluene) which could release the same amount of energy when exploded.

Topographic base
See chart base.

Total active aircraft authorization
(DOD) The sum of the primary and backup aircraft authorizations.

Total overall aircraft inventory
(DOD) The sum of the total active aircraft inventory and the inactive aircraft inventory.

Toxic chemical, biological, or radiological attack
(DOD) An attack directed at personnel, animals, or crops, using injurious agents of radiological, biological, or chemical origin.

Traffic information (radar)
(DOD) Information issued to alert an aircraft to any radar targets observed on the radar display which may be in such proximity to its position or intended route of flight to warrant its attention.

Training and retirement category
(DOD) The category identifying (by specific training and retirement category designator) a reservist's training or retirement status in a reserve component category and reserve component.

Transmission factor (nuclear)
(DOD) The ratio of the dose inside the shielding material to the outside (ambient) dose. Transmission factor is used to calculate the dose received through the shielding material.

Transportation closure
(DOD) The actual arrival date of a specified movement requirement at port of debarkation.

Transporting (ordnance)
(DOD) The movement or repositioning of ordnance or explosive devices along established explosive routes (does not apply to the aircraft flight line).

Traverse racking test load value
(DOD) Externally applied force in pounds or kilograms at the top-corner fitting that will strain or stretch end structures of the container sideways.

Tri-camera photography
(DOD, NATO) Photography obtained by simultaneous exposure of three cameras systematically disposed in the air vehicle at fixed overlapping angles relative to each other in order to cover a wide field.

Troop safety (nuclear)
(DOD) An element which defines a distance from the proposed burst location beyond which personnel meeting the criteria described under degree of risk will be safe to the degree prescribed.

Turn and slip indicator
(DOD, NATO) An instrument which combines the functions of a turn indicator and a slip indicator.

Turning movement
(DOD, NATO) A variation of the envelopment in which the attacking force passes around or over the enemy's principal defensive positions to secure objectives deep in the enemy's rear to force the enemy to abandon his position or divert major forces to meet the threat.

Type unit data file
(DOD) A file that provides standard planning data and movement characteristics for personnel, cargo, and accompanying supplies associated with type units.

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