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Military glossary - Letter B



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Backup Aircraft Authorization
DOD) Aircraft over and above the primary aircraft authorized to permit scheduled and unscheduled maintenance, modifications, and inspections and repair without reduction of aircraft available for the operational mission.

Bale Cubic Capacity
(DOD, NATO) The space available for cargo measured in cubic feet to the inside of the cargo battens, on the frames, and to the underside of the beams.

Ballistic Missile Early Warning System
(DOD) An electronic system for providing detection and early warning of attack by enemy inter-continental ballistic missiles.

Ballistic Trajectory
(DOD, NATO) The trajectory traced after the propulsive force is terminated and the body is acted upon only by gravity and aerodynamic drag.

Brometric Altitude
(DOD, NATO) The altitude determined by a barometric altimeter by reference to a pressure level and calculated according to the standard atmosphere laws.

Barrier, obstacle, and mine warfare plan
(DOD) A comprehensive, coordinated plan which includes responsibilities, general location of unspecified and specific barriers, obstacles, and minefields, special instructions, limitations, coordination, and completion times.

Base development (less force beddown)
(DOD) The acquisition, development, expansion, improvement, and construction and/or replacement of the facilities and resources of an area or location to support forces employed in military operations or deployed in accordance with strategic plans.

Basic military route network
(DOD, NATO) Axial, lateral, and connecting routes designated in peacetime by the host nation to meet the anticipated military movements and transport requirements, both allied and national.

Basic psychological operations study
(DOD) A document which describes succinctly the characteristics of a country, geographical area, or region which are most pertinent to psychological operations, and which can serve as an immediate reference for the planning and conduct of psychological operations.

Basic undertakings
(DOD) The essential things, expressed in broad terms, that must be done in order to implement the commander's concept successfully. These may include military, diplomatic, economic, psychological, and other measures.

Battery (troop) left (right)
(DOD) A method of fire in which weapons are discharged from the left (right), one after the other, at five second intervals.

Battlefield psychological activities
(DOD, NATO) Planned psychological activities conducted as an integral part of combat operations and designed to bring psychological pressure to bear on enemy forces and civilians under enemy control in the battle area, to assist in the achievement of the tactical objectives

Beach landing site
(DOD) A geographic location selected for across-the-beach infiltration, exfiltration, or resupply operations.

Beach party commander
(DOD) The naval officer in command of the naval component of the shore party.

Beam attack
(DOD) In air intercept, an attack by an interceptor aircraft attack which terminates with a heading crossing angle greater than 45 degrees but less than 135 degrees.

Bilateral infrastructure
(DOD, NATO) Infrastructure which concerns only two NATO members and is financed by mutual agreement between them (e.g., facilities required for the use of forces of one NATO member in the territory of another).

Binary chemical munition
(DOD, NATO) A munition in which chemical substances, held in separate containers, react when mixed or combined as a result of being fired, launched or otherwise initiated to produce a chemical agent.

Blast wave diffraction
(DOD, NATO) The passage around and envelopment of a structure by the nuclear blast wave.

Block stowage loading
(DOD, NATO) A method of loading whereby all cargo for a specific destination is stowed together. The purpose is to facilitate rapid off-loading at the destination, with the least possible disturbance of cargo intended for other points. See also loading.

Boat group commander
(DOD) An officer assigned to be embarked in a control boat who is responsible for discipline and organization within the boat group to complete the assigned mission.

Bomb damage assessment
(DOD) The determination of the effect of all air attacks on targets (e.g., bombs, rockets, or strafing).

Bomb impact plot
(DOD) A graphic representation of the target area, usually a pre-strike air photograph, on which prominent dots are plotted to mark the impact or detonation points of bombs dropped on a specific bombing attack.

Bomb release line
(DOD, NATO) An imaginary line around a defended area or objective over which an aircraft should release its bomb in order to obtain a hit or hits on an area or objective.

Boresafe fuze
(DOD, NATO) Type of fuze having an interrupter in the explosive train that prevents a projectile from exploding until after it has cleared the muzzle of a weapon.

Breakaway
(DOD, NATO) 1. The onset of a condition in which the shock front moves away from the exterior of the expanding fireball produced by the explosion of a nuclear weapon. (DOD) 2. After completion of attack, turn to heading as directed.

Broadcast- controlled air interception
Definition: (DOD, NATO) An interception in which the interceptor is given a continuous broadcast of information concerning an enemy raid and effects interception without further control.

Bulk petroleum product
(DOD, NATO) A liquid petroleum product transported by various means and stored in tanks or containers having an individual fill capacity greater than 250 liters.