Abbreviation Definition
OWMOstomy Wound Management
OWOOne Way Out
OWROriginal Weapon Renewal
OWSOperational Weather Squadron
OWSOverhead Weapon Station
OWSSOptimized Weapon System Support
OXGFlight Gear Oxygen Mask
OYOption Year
OYOut Year
OYCOut Year Costs
OYWOne Year War
OZObjective Zero
OZOperational Zone
OZOunce
OZIOscar Zulu Infantry, Australia
PParallel Pattern
PPhysical
PPlan
PPosition
PPreparation

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