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Abbreviation	Definition
OES	Orbiter Emergency Site
OES	Other Error Sources
OESS	Orbiter/ET (External Tank) Separation System
OESS	Orbiter/ET Separation Subsystem
OEX	Orbiter EXperiments
OF	Operational Forward
OF	Operational FWD DSC or MDM
OF	Operational Instrumentation MDM (Manipulator Deployment Mechanism) -Forward
OF	Operational Instrumentation MDM-FWD
OF	Orbital Flight
OF	Order Form
OF	Outside Face
OF	Oxidizer-to-Fuel Ratio
OF	Oxygen Fill
OFA	Office of Flight Assurance
OFCC	Office of Federal Contract Compliance
OFD	Organizational Focus Day
OFDS	Orbiter Flight Dynamics Simulator
OFDS	Oxygen Fluid Distribution System
OFI	Operational Flight Instrumentation

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