Operational Suitability
Operational Test and Evaluation (OT&E)
Operationally Ready
Operations and Support (O&S) Costs
Operations Profile
Operations Security (OPSEC) Survey
OPEVAL
opine
OPINTEL
OPLAN
OPM
OPNAV
OPNAVINST
OPNS
OPO
| OPORD
OPP
OPR
OPS
OPSDEPS
OPSEC
OPSMOD
OPTEC
OPTEMPO
OPTEVFOR
Optic Cobra
Optic Needle
Optical Airborne Measurement Program (OAMP)
Optical Coating
Optical Processing
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