Operational security

Operational definition, Operational auditing, Operational semantics, Operational level of war, The Operational Art of War, Operational risk, Operational system, Operational View, Operational conversion unit, Standardized approach (operational risk), Operational Requirement, Operational Group (Poland), Journal of the Operational Research Society, Operational acceptance testing, Operational risk management, Operational Service Medal, Operational amplifier, Operational excellence, The Operational Art of War Vol. 1: 1939–1955, Operational Test and Evaluation Force, Director, Operational Test and Evaluation, Operational historian, Operational Research Society, Operational database, Operational artificial intelligence, Australian Operational Service Medal, Operational Land Forces Command, Common operational picture, Geostationary Operational Environmental Satellite, Operational Service Medal for Afghanistan, Operational manoeuvre group, No. 237 Operational Conversion Unit RAF, Operational due diligence, Operational Land Imager, Operational data store, No. 226 Operational Conversion Unit RAF, Operational Command South, Operational bill, Independent Operational Group Narew, Common Operational Datasets, Operationalization

Operational Mentoring and Liaison Team, 25th Operational Weather Squadron, 9th Operational Weather Squadron, The Journal of Operational Risk, The Operational Art of War II: Modern Battles 1956–2000, No. 240 Operational Conversion Unit RAF, Operational modal analysis, Operational plan, Operational Medical Orderly, Tavria operational-strategic group, Commander Fleet Operational Standards and Training, Operational technology, 11th Operational Weather Squadron, Local operational picture, 26th Operational Weather Squadron, Operational transconductance amplifier, Operational Service Medal for Sierra Leone, 21st Operational Weather Squadron, Operational stress injury, Operational loads monitoring, Operational Command North, 15th Operational Weather Squadron, No. 2 (Coastal) Operational Training Unit RAF, Operational-level agreement, No. 228 Operational Conversion Unit RAF, No. 236 Operational Conversion Unit RAF, Naval Center for Combat and Operational Stress Control, Operational design domain, Operational Silo Test Facility, Dnipro operational-strategic group, Strike Attack Operational Evaluation Unit, Bayesian operational modal analysis, 17th Operational Weather Squadron, New Zealand Operational Service Medal, Ground based operational surveillance system, Operational Service Medal for the Democratic Republic of Congo, No. 2 Operational Conversion Unit RAAF, NATO Maritime Interdiction Operational Training Centre, Operational efficiency, No. 242 Operational Conversion Unit RAF, Operational responsiveness, Aerospace Operational Support Group RAAF, Joint Operational Support Airlift Center, No. 231 Operational Conversion Unit RAF, Operational transformation, Current-feedback operational amplifier, No. 5 Operational Training Unit RAAF, Marine Operational Training Group 81, Independent Operational Group Polesie, Air Force Operational Test and Evaluation Center

Operational definition, Operational auditing, Operational semantics, Operational level of war, The Operational Art of War, Operational risk, Operational system, Operational View, Operational conversion unit, Standardized approach (operational risk), Operational Requirement, Operational Group (Poland), Journal of the Operational Research Society, Operational acceptance testing, Operational risk management, Operational Service Medal, Operational amplifier, Operational excellence, The Operational Art of War Vol. 1: 1939–1955, Operational Test and Evaluation Force, Director, Operational Test and Evaluation, Operational historian, Operational Research Society, Operational database, Operational artificial intelligence, Australian Operational Service Medal, Operational Land Forces Command, Common operational picture, Geostationary Operational Environmental Satellite, Operational Service Medal for Afghanistan, Operational manoeuvre group, No. 237 Operational Conversion Unit RAF, Operational due diligence, Operational Land Imager, Operational data store, No. 226 Operational Conversion Unit RAF, Operational Command South, Operational bill, Independent Operational Group Narew, Common Operational Datasets, Operationalization, Operational Mentoring and Liaison Team, 25th Operational Weather Squadron, 9th Operational Weather Squadron, The Journal of Operational Risk, The Operational Art of War II: Modern Battles 1956–2000, No. 240 Operational Conversion Unit RAF, Operational modal analysis, Operational plan, Operational Medical Orderly, Tavria operational-strategic group, Commander Fleet Operational Standards and Training, Operational technology, 11th Operational Weather Squadron, Local operational picture, 26th Operational Weather Squadron, Operational transconductance amplifier, Operational Service Medal for Sierra Leone, 21st Operational Weather Squadron, Operational stress injury, Operational loads monitoring, Operational Command North, 15th Operational Weather Squadron, No. 2 (Coastal) Operational Training Unit RAF, Operational-level agreement, No. 228 Operational Conversion Unit RAF, No. 236 Operational Conversion Unit RAF, Naval Center for Combat and Operational Stress Control, Operational design domain, Operational Silo Test Facility, Dnipro operational-strategic group, Strike Attack Operational Evaluation Unit, Bayesian operational modal analysis, 17th Operational Weather Squadron, New Zealand Operational Service Medal, Ground based operational surveillance system, Operational Service Medal for the Democratic Republic of Congo, No. 2 Operational Conversion Unit RAAF, NATO Maritime Interdiction Operational Training Centre, Operational efficiency, No. 242 Operational Conversion Unit RAF, Operational responsiveness, Aerospace Operational Support Group RAAF, Joint Operational Support Airlift Center, No. 231 Operational Conversion Unit RAF, Operational transformation, Current-feedback operational amplifier, No. 5 Operational Training Unit RAAF, Marine Operational Training Group 81, Independent Operational Group Polesie, Air Force Operational Test and Evaluation Center, 403 Helicopter Operational Training Squadron, Operational Group of Russian Forces, Operational Group Ermakov, No. 232 Operational Conversion Unit RAF, List of aircraft carriers operational during World War II, List of Royal Air Force Operational Training Units, No. 1 Operational Training Unit RAAF, Aeronautical operational control, Operational maintenance, Operational objective, Separate Operational Purpose Division, 20th Operational Weather Squadron, Institute of Operational Risk, Operational Detachment Alpha 574, Jindalee Operational Radar Network, 50th Separate Operational Brigade, Clandestine HUMINT operational techniques, High Altitude Venus Operational Concept, Operational image, Operational Dress Uniform, Operational reporting, NOAA National Operational Model Archive and Distribution System, Overall Operational Command, Kakhovka operational group, Operational Response Group, Operational calculus, No. 230 Operational Conversion Unit RAF, Operational Camouflage Pattern, European Rapid Operational Force, Bundeswehr Operational Command, Operational planning, Garda Operational Support, Operations research, Northwestern Operational Command, Military operation, Operational analytical processing, Operational Group Command, Second Operational Phase (1942), International Transactions in Operational Research, Operational due diligence (alternative investments), No. 55 Operational Training Unit RAF, Flying Boat Training Squadron RAF, Operational availability, Operational Collaboration, 28th Operational Weather Squadron, Operational Service Medal Iraq and Syria, Croatian Operational Research Society, Operational Command East, Operational Distinguishing Device, Overall Operational Commander, Operational Command West, No. 53 Operational Training Unit RAF, No. 1 (Coastal) Operational Training Unit RAF, Operational Service Medal (Canada), Hellenic Operational Research Society, No. 111 (Coastal) Operational Training Unit RAF, Polar Operational Environmental Satellites, Operationally Responsive Space Office, European Journal of Operational Research, International Operational Service Medal