What does FOI stand for?

Faulty Operator Intervention (SAUS)

Fiber-Optic Interface (SAUS)

Field Operations Intelligence

Fighter Officer for Interceptors - Member of the SAGE Command Post staff

Final Opinion Inventory - Psychometrics

First-Order Interpolator (IAA)

Fleet Operational Investigation - NOO

Flight of Ideas - Psychiatry (DAVI)

Flight Ops International - FAA designator (FAAC)

Florida Fiberglass Products Inc., Monticello, FL - Manufacturer code for watercraft hull identification number (USCG)

Fluffy Opaque Inclusions - In a meteorite

Foi - Language code (ETLW)

Follow-On Interceptor - Military

Forced Oil Injection

Foreign Object Inspection - or Investigation (MCD)

Foreign Object Investigation

Foster Industries - NCIC firearms make code (NCIC)

Freedom of Information - Army

Freedom of Information Act

Free of Interest - Business term

Fuels Operating Instruction (AFIT)

Functional Operating Instruction

Free of Interest (EBF)