operational system

operational and tactical missile system

operational performance data system

Guidelines for the Introduction and Operational Use of Global Navigation Satellite System

fire extinguishing system sprinkler system and fire alarm system

combat operational stress control (COSC)

combat operational stress control service

common operational picture (COP)

contemporary operational environment / contemporary operating environment (COE)

contiguous operational area

counter IED operational / strategic level

full operational capability (FOC)

get fully operational

guidelines for operational planning (GOP)

immediate operational readiness

initial operational capability (IOC)

interim operational capability (IOC)

Joint Urgent Operational Need (JUON)

maritime operational logistic support

measures of operational effectiveness (MoOEs)

noncontiguous operational area

operational

operational activities

operational agency

operational aircraft

operational altitude

operational analysis (OA)

operational and tactical calculations

operational Army

operational art

operational assets

operational attrition

Operational Capabilities Concept (OCC)