principal military requirement (PMR)

military assistance requirement

military requirement

principal attack

principal duty

principal position

principal reserve

principal

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

defense requirement review (DRR)

Equipment Requirement Plan (ERP)

information requirement (IR)

material requirement list

operational requirement (OR)

service requirement

standardization requirement

local requirement

Statement of Requirement (SOR)

tentative specific operational requirement

design and operational requirement

requirement

meet a requirement

age-in-grade requirement

M-day materiel-requirement

readiness requirement