principal reserve

загальний резерв

inactive Reserve (Individual Ready Reserve [IRR])

principal attack

principal military requirement (PMR)

principal position

Principal Subordinate Command (PSC)

principal direction of fire (PDF)

principal distribution depot

principal currency / reference currency

world map of principal aeronautical features

principal motion

principal subordinate commander

principal longitudinal axis

principal direction of fire

Armed Forces reserve

army reserve enlistment program

Army war reserve (AWR)

Assistant Secretary of the Army (Manpower and Reserve Affairs)

Civil Reserve Air Fleet

coast guard reserve

DOD Industrial Plant Equipment Reserve

first-line reserve

general headquarters reserve artillery

individual ready reserve (IRR)

Junior Reserve Officer Training Corps

logistical reserve

marine corps reserve

mobilization reserve

pre-conscription and reserve military training