Operational research

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

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

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