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
OR
OR/SA (ORSA)
ORACL
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