operating environment (OE)

contemporary operational environment / contemporary operating environment (COE)

common operating environment (COE)

application operating environment

common operating environment

contemporary operating environment

Defense Information Infrastructure Common Operating Environment (DIICOE)

network centric capabilities operating environment

system of system common operating environment

air defense ground environment

Allied Joint Doctrine for Recovery of Personnel in a Hostile Environment (AJP-3.7)

battlefield environment

chemical environment

contaminated environment

ECM environment

Environment and Security Initiative (ENVSEC) UN-OSCE-NATO initiative

favorable environment

field environment

Future Airborne Capability Environment (FACE)

hostile environment

information environment

land environment

launch environment

launching environment

low-threat environment

military environment

multiple unified simulation environment (MUSE)

NBC environment

non-permissive environment

permissive environment

physical environment

political, military, economic, social, information, infrastructure, physical environment, and time (PMESII-PT)

radiological environment