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Military Dictionary (Letter Group V)

All official U.S. DoD military terms, and their definitions, beginning with the letter V.

Currently showing all terms for your selected Letter Group of V. You can always go back to the index to make another selection.
Execution procedure used by combatant command components, supporting combatant commanders, and providing organizations to confirm to the supported commander and US Transportation Command that all the information records in a time-phased force and deployment data not only are error-free for automation purposes, but also accurately reflect the current status, attributes, and availability of units and requirements. Unit readiness, movement dates, passengers, and cargo details should be confirmed with the unit before validation occurs.
1. A process associated with the collection and production of intelligence that confirms that an intelligence collection or production requirement is sufficiently important to justify the dedication of intelligence resources, does not duplicate an existing requirement, and has not been previously satisfied. 2. In computer modeling and simulation, the process of determining the degree to which a model or simulation is an accurate representation of the real world from the perspective of the intended uses of the model or simulation. 3. Execution procedure used by combatant command components, supporting combatant commanders, and providing organizations to confirm to the supported commander and US Transportation Command that all the information records in a time-phased force and deployment data not only are error free for automation purposes, but also accurately reflect the current status, attributes, and availability of units and requirements. Unit readiness, movement dates, passengers, and cargo details should be confirmed with the unit before validation occurs. See also independent review; time-phased force and deployment data; verification. (JP 2-01)
(*) Cargo which may be of value during a later stage of the war.
An organized effort directed at analyzing the function of Department of Defense systems, equipment, facilities, procedures, and supplies for the purpose of achieving the required function at the lowest total cost of effective ownership, consistent with requirements for performance, reliability, quality, and maintainability.
(*) The manner in which the probability of damage to a specific target decreases with the distance from ground zero; or, in damage assessment, a mathematical factor introduced to average the effects of orientation, minor shielding, and uncertainty of target response to the effects considered.
See safety level of supply.
1. One of two or more cipher or code symbols that have the same plain text equivalent. 2. One of several plain text meanings that are represented by a single code group. Also called alternative.
The angular difference between true and magnetic north. See also deviation.
(*)Attack in which a weapon carrier (air, surface, or subsurface) not holding contact on the target is vectored to the weapon delivery point by a unit (air, surface, or subsurface) which holds contact on the target.
Wheeled or tracked equipment, including weapons, that require certain deck space, head room, and other definite clearance.
(*) The clearance between vehicles in a column which is measured from the rear of one vehicle to the front of the following vehicle.
A table listing all vehicles by priority of debarkation from a combat-loaded ship. It includes the nomenclature, dimensions, square feet, cubic feet, weight, and stowage location of each vehicle; the cargo loaded in each vehicle; and the name of the unit to which the vehicle belongs.
A device placed or fabricated in an improvised manner on a vehicle incorporating destructive, lethal, noxious, pyrotechnic, or incendiary chemicals and designed to destroy, incapacitate, harass, or distract. Otherwise known as a car bomb. Also called VBIED. (JP 3-10)
1. In arms control, any action, including inspection, detection, and identification, taken to ascertain compliance with agreed measures. 2. In computer modeling and simulation, the process of determining that a model or simulation implementation accurately represents the developer?s conceptual description and specifications. See also configuration management; independent review; validation.
(*) To ensure that the meaning and phraseology of the transmitted message conveys the exact intention of the originator.
(*) In artillery and naval gunfire support, the highest point in the trajectory of a projectile.
See maximum ordinate.
(*) An air photograph taken with the optical axis of the camera perpendicular to the surface of the Earth.
Vertical and/or short takeoff and landing capability for aircraft.
A tactical maneuver in which troops, either air-dropped or air-landed, attack the rear and flanks of a force, in effect cutting off or encircling the force.
Difference in altitude between two specified points or locations, e.g., the battery or firing ship and the target; observer location and the target; location of previously fired target and new target; observer and a height of burst; and battery or firing ship and a height of burst, etc.
A specified ground area for landing vertical takeoff and landing aircraft to embark or disembark troops and/or cargo. A landing zone may contain one or more landing sites. Also called VLZ. See also landing zone; vertical takeoff and landing aircraft. (JP 3-02)
(*) A type of loading whereby items of like character are vertically tiered throughout the holds of a ship so that selected items are available at any stage of the unloading. See also loading.
The product of the range probable error and the slope of fall.
(*) The use of a helicopter for the transfer of materiel to or from a ship. Also called VERTREP.
(*) Separation between aircraft expressed in units of vertical distance.
A single flightline of overlapping photos. Photography of this type is normally taken of long, narrow targets such as beaches or roads.
Fixed-wing aircraft and helicopters capable of taking off or landing vertically. Also called VTOL aircraft. See also vertical landing zone; vertical takeoff and landing aircraft transport area. (JP 3-02)
Area to the seaward and on the flanks of the outer transport and landing ship areas, but preferably inside the area screen, for launching and/or recovering vertical takeoff and landing aircraft. Also called VTOL aircraft transport area. See also vertical takeoff and landing aircraft. (JP 3-02)
The casualty status of a person whose illness or injury is classified by medical authority to be of such severity that life is imminently endangered. Also called VSII. See also casualty status.
Refers to a fixed satellite terminal whose antenna diameter typically does not exceed two meters. Also called VSAT.
See blister agent.
(*) A method of producing a band of color or tone on a map or chart, the density of which is reduced uniformly from edge to edge.
The horizontal distance (in kilometers or miles) at which a large dark object can just be seen against the horizon sky in daylight.
(*) A call sign provided primarily for visual signaling. See also call sign.
Use of one or more of the various visual media with or without sound. Generally, visual information includes still photography, motion picture photography, video or audio recording, graphic arts, visual aids, models, display, visual presentation services, and the support processes. Also called VI.
Motion media, still photography, and audio recording of technical and nontechnical events while they occur, usually not controlled by the recording crew. Visual information documentation encompasses Combat Camera, operational documentation, and technical documentation. Also called VIDOC. See also combat camera; operational documentation; technical documentation.
Weather conditions in which visual flight rules apply; expressed in terms of visibility, ceiling height, and aircraft clearance from clouds along the path of flight. When these criteria do not exist, instrument meteorological conditions prevail and instrument flight rules must be complied with. Also called VMC. See also instrument meteorological conditions. (JP 3-04.1)
(*) A device used with exercise mines to indicate that the mine would have detonated had it been poised.
(*) A designated area or installation to be defended by air defense units.
(*) Ground of such importance that it must be retained or controlled for the success of the mission. See also key terrain.
(*) A call sign provided primarily for voice communication. See also call sign.
An agreement that provides the Department of Defense with assured access to US flag assets, both vessel capacity and intermodal systems, to meet Department of Defense contingency requirements. Carriers contractually commit specified portions of their fleet to meet time-phased Department of Defense contingency requirements. Also called VISA. See also intermodal; intermodal systems. (JP 4-01.2)
An agreement established by the Maritime Administration to provide for US commercial tanker owners and operators to voluntarily make their vessels available to satisfy the Department of Defense needs. It is designed to meet contingency or war requirements for point-to-point petroleum, oils, and lubricants movements, and not to deal with capacity shortages in resupply operations. Also called VTA. (JP 4-01.2)
Training in a non-pay status for Individual Ready Reservists and active status Standby Reservists. Participation in voluntary training is for retirement points only and may be achieved by training with Selected Reserve or voluntary training units; by active duty for training; by completion of authorized military correspondence courses; by attendance at designated courses of instruction; by performing equivalent duty; by participation in special military and professional events designated by the Military Departments; or by participation in authorized Civil Defense activities. Retirees may voluntarily train with organizations to which they are properly preassigned by orders for recall to active duty in a national emergency or declaration of war. Such training shall be limited to that training made available within the resources authorized by the Secretary concerned.
A unit formed by volunteers to provide Reserve Component training in a non-pay status for Individual Ready Reservists and active status Standby Reservists attached under competent orders and participating in such units for retirement points. Also called reinforcement training unit.
(*) An air navigational radio aid which uses phase comparison of a ground transmitted signal to determine bearing. This term is derived from the words?very high frequency omnidirectional radio range.?
1. The susceptibility of a nation or military force to any action by any means through which its war potential or combat effectiveness may be reduced or its will to fight diminished. 2. The characteristics of a system that cause it to suffer a definite degradation (incapability to perform the designated mission) as a result of having been subjected to a certain level of effects in an unnatural (manmade) hostile environment. 3. In information operations, a weakness in information system security design, procedures, implementation, or internal controls that could be exploited to gain unauthorized access to information or an information system. See also information; information operations; information system. (JP 3-13)
A Department of Defense, command, or unit-level evaluation (assessment) to determine the vulnerability of a terrorist attack against an installation, unit, exercise, port, ship, residence, facility, or other site. Identifies areas of improvement to withstand, mitigate, or deter acts of violence or terrorism. Also called VA. (JP 3-07.2)
A program to determine the degree of any existing susceptibility of nuclear weapon systems to enemy countermeasures, accidental fire, and accidental shock and to remedy these weaknesses insofar as possible.
An analysis of the capabilities and limitations of a force in a specific situation to determine vulnerabilities capable of exploitation by an opposing force.
See vital area.
See target stress point.
See vital area.


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