ADRP1-02

Military Terms
restrictive fire area – (DOD) An area in which specific restrictions are imposed and into which fires that exceed
those restrictions will not be delivered without coordination with the establishing headquarters. Also called
RFA. (JP 3-09) See FM 3-09, FM 3-90-1, ATP 3-09.34.
restrictive fire line – (DOD) A line established between converging friendly surface forces that prohibits fires or
their effects across that line. Also called RFL. See FM 3-09.
resuscitative care – Advanced trauma management care and surgery limited to the minimum required to stabilize
a patient for transportation to a higher role of care. (FM 4-02)
retain – A tactical mission task in which the commander ensures that a terrain feature controlled by a friendly
force remains free of enemy occupation or use. (FM 3-90-1) See also tactical mission task.
retention – An Army program that ensures all Soldiers, regardless of the type of military operation, have access
to career counseling and retention processing. Retention improves readiness of the force, assists in force
alignment, and contributes to maintaining the Army end strength. (ATP 1-0.2)
retirement – A form of retrograde in which a force out of contact moves away from the enemy. (ADRP 3-90)
retrograde – (DOD) The process for the movement of non-unit equipment and materiel from a forward location
to a reset (replenishment, repair, or recapitalization) program or to another directed area of operations to
replenish unit stocks, or to satisfy stock requirements. (JP 4-09) See ATP 4-48. (Army) A defensive task that
involves organized movement away from the enemy. (ADRP 3-90)
retrograde movement – Any movement of a command to the rear, or away from the enemy. It may be focused
by the enemy or may be made voluntarily. Such movements may be classified as a withdrawal, retirement,
or delaying action. (FM 3-90-1)
retrograde of material – An Army logistics function of returning materiel from the owning or using unit back
through the distribution system to the source of supply, directed ship to location, or point of disposal.
(ATP 4-0.1)
return to duty – A patient disposition which, after medical evaluation and treatment when necessary, returns a
Soldier for duty in his unit. (FM 4-02)
riot control agent – (DOD) Any chemical, not listed in a schedule of the Convention on the Prohibition of the
Development, Production, Stockpiling and Use of Chemical Weapons and on their Destruction that can
produce rapidly in humans sensory irritation or disabling physical effects that disappear within a short time
following termination of exposure. Also called RCA. (JP 3-11) See ATP 3-05.11.
risk – (DOD) Probability and severity of loss linked to hazards. (JP 5-0) See ATP 5-19.
risk assessment – (DOD) The identification and assessment of hazards (first two steps of risk management
process). Also called RA. (JP 3-07.2) See ATP 3-60.1, ATP 5-19.
risk management – (DOD) The process of identifying, assessing, and controlling risks arising from operational
factors and making decisions that balance risk cost with mission benefits. Also called RM. (JP 3-0) See
ADRP 5-0, FM 3-57, FM 6-0, ATP 2-19.4, ATP 3-57.60, ATP 3-60.1, ATP 6-01.1.
role – The broad and enduring purpose for which the organization or branch is established. (ADP 1-01)
route – The prescribed course to be traveled from a specific point of origin to a specific destination. (FM 3-90-1)
route classification – (DOD) Classification assigned to a route using factors of minimum width, worst route type,
least bridge, raft, or culvert military load classification, and obstructions to traffic flow. (JP 3-34) See
ATP 4-01.45.
route reconnaissance – A directed effort to obtain detailed information of a specified route and all terrain from
which the enemy could influence movement along that route. (ADRP 3-90)
rolling resistance – The force components acting on a train in a direction parallel with the track, which tend to
hold or retard the train’s movement. Also called RR. (ATP 4-14)
7 December 2015 ADRP 1-02 1-79