Military Glossary

Radar altimetry area
(DOD, NATO) A large and comparatively level terrain area with a defined elevation which can be used in determining the altitude of airborne equipment by the use of radar.

Radar exploitation report
(DOD) A formatted statement of the results of a tactical radar imagery reconnaissance mission. The report includes the interpretation of the sensor imagery.

RADAREXREP
See radar exploitation report.

Radar netting station
(DOD, NATO) A center which can receive data from radar tracking stations and exchange this data among other radar tracking stations, thus forming a radar netting system.

Radarscope photography
(DOD, NATO) A film record of the returns shown by a radar screen.

Radiation exposure state
(DOD, NATO) The condition of a unit, or exceptionally an individual, deduced from the cumulative whole body radiation dose(s) received. It is expressed as a symbol which indicates the potential for future operations and the degree of risk if exposed to additional nuclear radiation.

Radioactivity concentration guide
(DOD, NATO) The amount of any specified radioisotope that is acceptable in air and water for continuous consumption.

Radiological survey flight altitude
(DOD) The altitude at which an aircraft is flown during an aerial radiological survey.

Radius of safety
(DOD, NATO) The horizontal distance from ground zero beyond which the weapon effects on friendly troops are acceptable.

Rainfall (nuclear)
(DOD) The water that is precipitated from the base surge clouds after an underwater burst of a nuclear weapon. This rain is radioactive and presents an important secondary effect of such a burst.

Rationalization
(DOD) Any action that increases the effectiveness of allied forces through more efficient or effective use of defense resources committed to the alliance. Rationalization includes consolidation, reassignment of national priorities to higher alliance needs, standardization, specialization, mutual support or improved interoperability, and greater cooperation. Rationalization applies to both weapons/materiel resources and non-weapons military matters.

Readiness condition
See operational readiness.

Reallocation authority
(DOD, NATO) The authority given to NATO commanders and normally negotiated in peacetime, to reallocate in an "emergency in war" national logistic resources controlled by the combat forces under their command, and made available by nations, in order to influence the battle logistically.

Receipt into the supply system
(DOD) That point in time when the first item or first quantity of the item of the contract has been received at or is en route to point of first delivery after inspection and acceptance.

Reconnaissance exploitation report
(DOD, NATO) A standard message format used to report the results of a tactical air reconnaissance mission. Whenever possible the report should include the interpretation of sensor imagery.

Recovery and reconstitution
(DOD) 1. Those actions taken by one nation prior to, during, and following an attack by an enemy nation to minimize the effects of the attack, rehabilitate the national economy, provide for the welfare of the populace, and maximize the combat potential of remaining forces and supporting activities. 2. Those actions taken by a military force during or after operational employment to restore its combat capability to full operational readiness.

Redeployment airfield
(DOD, NATO) An airfield not occupied in its entirety in peacetime, but available immediately upon outbreak of war for use and occupation by units redeployed from their peacetime locations. It must have substantially the same standard of operational facilities as the main airfield.

Reference diversion point
(DOD, NATO) One of a number of positions selected by the routing authority on both sides of the route of a convoy or independent to facilitate diversion at sea.

Regimental landing team
(DOD) A task organization for landing comprised of an infantry regiment reinforced by those elements which are required for initiation of its combat function ashore.

Reinforcement training unit
See voluntary training unit.

Relative biological effectiveness
(DOD) The ratio of the number of rads of gamma (or X) radiation of a certain energy which will produce a specified biological effect to the number of rads of another radiation required to produce the same effect is the relative biological effectiveness of the latter radiation.

Remain-behind equipment
(DOD) Unit equipment left by deploying forces at their bases when they deploy.

Repair and restoration
(DOD) Repair, beyond emergency repair, of war-damaged facilities to restore operational capability in accordance with combatant command standards of construction, which includes repair and restoration of pavement surfaces. Normally, repairs to facilities will be made using materials similar to those of the original construction. For severely damaged facilities (i.e., essentially destroyed), restoration may require reconstruction.

Replenishment at sea
(DOD, NATO) Those operations required to make a transfer of personnel and/or supplies when at sea.

Required supply rate (ammunitionr)
(DOD) In Army usage, the amount of ammunition expressed in terms of rounds per weapon per day for ammunition items fired by weapons, and in terms of other units of measure per day for bulk allotment and other items, estimated to be required to sustain operations of any designated force without restriction for a specified period. Tactical commanders use this rate to state their requirements for ammunition to support planned tactical operations at specified intervals. The required supply rate is submitted through command channels. It is consolidated at each echelon and is considered by each commander in subsequently determining the controlled supply rate within the command.

Reserved demolition target
(DOD, NATO) A target for demolition, the destruction of which must be controlled at a specific level of command because it plays a vital part in the tactical or strategical plan, or because of the importance of the structure itself, or because the demolition may be executed in the face of the enemy.

Restricted dangerous air cargo
(DOD, NATO) Cargo which does not belong to the highly dangerous category but which is hazardous and requires, for transport by cargo or passenger aircraft, extra precautions in packing and handling.

Retained personnel
(DOD) Enemy personnel who come within any of the categories below are eligible to be certified as retained personnel.a. Medical personnel exclusively engaged in the: (1) Search for collection, transport, or treatment of the wounded or sick. (2) Prevention of disease. (3) Staff administration of medical units and establishments exclusively. b. Chaplains attached to enemy armed forces. c. Staff of national Red Cross societies and other voluntary aid societies duly recognized and authorized by their governments. The staffs of such societies must be subject to military laws and regulations.

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