military acronyms and abbreviations > O

O: Oblique 
O: Observer 
O: Oscar 
O: Oscar Time Zone 
O&C: Operations & Control 
O&I: Operations & Intelligence 
O&M: Operate and Maintain 
O&M: Operation and Maintenance 
O&M: Operations and Maintenance 
O&S: Operations & Support 
O&S: Operations and Support 
O/A: On or About 
O/C: Observer/Controller 
O/O: Order of Operations 
OA: Office Automation 
OA: Operational Area 
OA: Operations Analysis 
OAC: Objective Architecture Center 
OAD: Objective Architecture Document 
OAD: operational availability date 
OAD-2: Objective Architecture Document, 2nd Iteration 
OADF: Overseas Aircraft Delivery Flight 
OADR: Originating Agency Determination Required 
OADU: Overseas Aircraft Delivery Unit 
OAF: Operation Allied Force 
OAFS: Onazuka Air Force Station 
OALAN: Office Automation Local Area Network 
OAMP: Optical Airborne Measurements Program 
OANS: Observers Air Navigation School 
OAP: Offset Aim Point 
OAP: Organizational Assessment Package 
OAPEC: Organization of Arab Petroleum-Exporting Countries 
OAPU: Overseas Aircraft Preparation Unit 
OAR: Obusna Aeroplansva Radionica 
OAR: Oceanic and Atmospheric Research 
OAS: Offensive Air Support 
OAS: Offensive Avionics System 
OAS: Onizuka Air Station 
OAS: Open Architecture System 
OAS: Organization of American States