O.B. |
Operation Blackboard |
O.B.C. |
Other Backward Classes |
O.I.L. |
Oil India Limited |
O.M. |
Order of Merit |
OA |
Object Address |
OA |
Output Axis |
OA |
Orbital Assembly |
OA |
Operational Instrumentation MDM-Aft |
OA |
Operational Aft |
OA |
Office of Applications |
OAA |
Orbiter Alternate Airfield |
OAA |
Orbiter Access Arm |
OACES |
Ocean-Atmosphere Carbon Exchange Study |
OAE |
Ohio Award for Excellence |
OAFD |
Orbiter Atmospheric Flight Test Office |
OAFTO |
Ogden Air Logistics Center |
OAG |
Official Airline Guide |
OAL |
Oem Adaptation Layer |
OALC |
Orbital Attitude and Maneuvering System |
OALT |
Operational Acceptable Level of Traffic |
OAM |
Order of Australia Medal |
OAME |
Own Account Manufacturing Enterprise |
OAMP |
Oklahoma Agriculture Mediation Program |
OAMS |
Orbiter Ancillary |
OANS |
Orbiting Astronomical Observatory |
OAO |
Office of Advanced Research and Technology |
OAO |
Orbiting Astronomical Observatory |
OAO-3 |
Orbiter Avionics System |
OAPECO |
Organisation of Arab Petroleum Exporting Countries |
OARE |
Orbital Acceleration Research Experiment |
OARG |
Osteoporosis And Arthritis Research Group |
OART |
Orbiter Atmospheric Simulator |
OAS |
Organisation of American States |
OAS |
Orbiter Aeroflight Simulator |
OAS |
Office Automation System |
OAS |
Orbiter Avionics Software Control Board |
OAS |
Operational Analysis And Simulation Of Integrated Systems |
OAS |
Organization Of American States |
OASCB |
Oceanic and Atmospheric Scientific Information System |
OASIS |
Old Age Social and Income Security |
OASPL |
Overall Sound Pressure Level |
OAST |
Office of Aeronautics and Space Technology |
OAT |
Operational Acceptance Test |
OAT |
Outside Air Temperature |
OATS |
Osteochondral Autograft Transfer System |
OAU |
Organisation of African Unity |
OAW |
Off-airway Weather Station |
OB |
Operation Blackboard |
OBA |
Oxygen Breathing Apparatus |
OBC |
Other Backward Classes |