contiguous operational area

contiguous zone

noncontiguous operational area

potential danger area (trouble area)

hazard area / hazardous area

killing area / kill area

open area danger area

combat operational stress control (COSC)

combat operational stress control service

common operational picture (COP)

contemporary operational environment / contemporary operating environment (COE)

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)

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)