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O is an abbreviation for Ohio
O is an abbreviation for Oxygen
O & A is an abbreviation for Orbit and Attitude
 Research O & A
O & C is an abbreviation for Operation and Checkout
Research O & C
O & M is an abbreviation for Operation and Maintenance
O & M is an abbreviation for Outline and Mounting
Research O & M
O & S is an abbreviation for Operation and Support
Research O & S
O/A is an abbreviation for Orbit/Attitude
Research O/A
O/D is an abbreviation for Operational Difficulty
Research O/D
O/P is an abbreviation for Output Power
Research O/P
OA is an abbreviation for Office Automation
OA is an abbreviation for Overeaters Anonymous
OA is an abbreviation for Optical Augmentation
Research OA
OAB is an abbreviation for Outer Air Battle
Research OAB
OABM is an abbreviation for Outer Air Battle Missile
Research OABM
OAMP is an abbreviation for Optical Airborne Measurement Program
Research OAMP
OAMS is an abbreviation for Orbital Attitude and Manoeuvring System
Research OAMS
OAO is an abbreviation for Orbiting Astronomical Observatory
Research OAO
OAP is an abbreviation for Offset Aim Point
OAP is an abbreviation for Old Age Pensioner
Research OAP
OARS is an abbreviation for On-Focal-Plane Array Signal Processing
OART is an abbreviation for Office of Advanced Research and Technology
Research OART
OAS is an abbreviation for Organization of American States
OAS is an abbreviation for Offensive Air Support
OAS is an abbreviation for Offensive Avionics System
OAS is an abbreviation for Orbiter Aerofight Simulator
Research OAS
OASD is an abbreviation for Office of the Assistant Secretary of Defence
Research OASD
OASIS is an abbreviation for Operation Application of Special Intelligence System
Research OASIS
OAST is an abbreviation for Office of Aeronautics and Space Technology
Research OAST
OASYS is an abbreviation for Obstacle Avoidance System
Research OASYS
OAT is an abbreviation for Outside Air Temperature
Research OAT
OATS is an abbreviation for Office Automation Technology and Services
OATS is an abbreviation for Optical Augmentation Target Screen
OATS is an abbreviation for Orbit and Attitude Tracking Subsystem
Research OATS
OAU is an abbreviation for Organization of African Unity
Research OAU
OBA is an abbreviation for Optical Barrel Assembly
Research OBA
OBC is an abbreviation for On Board Computer
Research OBC
OBDH is an abbreviation for On Board Data Handling
Research OBDH
OBE is an abbreviation for Officer of the Order of the British Empire
Research OBE
OBIFCO is an abbreviation for On Board In Flight Checkout
Research OBIFCO
OBOGS is an abbreviation for On Board Oxygen Generating System
Research OBOGS
OBS is an abbreviation for Omni Bearing Selector
Research OBS
OBSS is an abbreviation for Operations Briefing Support System
Research OBSS
OC is an abbreviation for Order of Canada
OC is an abbreviation for Off Centre
OC is an abbreviation for Officer Candidate
OC is an abbreviation for On Centre
OC is an abbreviation for On Course
OC is an abbreviation for Output Controller
Research OC
OCB is an abbreviation for Operations Coordinating Board
Research OCB
OCC is an abbreviation for Operations Command Centre
OCC is an abbreviation for Operations Control Centre
Research OCC
OCCM is an abbreviation for Optical Counter Counter-Measure
Research OCCM
OCDM is an abbreviation for Office of Civil Defence and Mobilization
Research OCDM
OCE is an abbreviation for Orbital Computations Engineer
Research OCE
OCI is an abbreviation for Out of City Indicator
Research OCI
OCLC is an abbreviation for Online Computer Library Centre, Inc.
Research OCLC
OCLI is an abbreviation for Optical Coating Laboratories, Incorporated
Research OCLI
OCM is an abbreviation for Ocean Colour Monitor
OCM is an abbreviation for Optical Countermeasure
Research OCM
OCO is an abbreviation for Object Code Only
Research OCO
OCP is an abbreviation for Operational Computer Program
OCP is an abbreviation for Overcharge Protection
Research OCP
OCR is an abbreviation for Operational Concept Review
OCR is an abbreviation for Optical Character Reader
OCR is an abbreviation for Optical Character Recognition
Research OCR
OCS is an abbreviation for Officer Candidate School
OCS is an abbreviation for Optical Contrast Seeker
OCS is an abbreviation for On Company's Service
Research OCS
OCST is an abbreviation for Office of Commercial Space Transportation
Research OCST
OCTV is an abbreviation for Open Circuit Television
Research OCTV
OCU is an abbreviation for Office Channel Unit
OCU is an abbreviation for Operational Capability Upgrade
Research OCU
OCXO is an abbreviation for Oven Controlled Crystal Oscillator
Research OCXO
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Abbreviations
Actors
