Glossary, Acronyms, and Abbreviations - IIUSA

External - Timing - A node accepting clock from a source that is
external to the node (for example, DACS Telco-provided clock).
F - Flash
F - fahrenheit
FA - field artillery
F
FAA - Federal Aviation Administration
FAADC2 - forward area air defense command and control (Army)
FAADC3I - Forward Area Air Defense Command, Control,
Communications, and Intelligence
FAADS - forward area air defense system
FAAR - forward area alerting radar
FAATSAT - FAA telecommunications satellite
FAC - File Access Code
FACNET - federal acquisition computer network
FACP - forward air control party
FADAC - field artillery digital automated computer
FADC2I - forward air defense command, control, and intelligence
FAEWS - fleet airborne electronic warfare system
FAISS - FORSCOM automated intelligence support system
FALCON - frequency agile low coverage netted
FAMSIM - family of simulations (simulators)
Fan - Unit - Cooling device for the node.
FANS - future air navigation system
FANS2 - future air navigation systems Phase 2 (FAA)
FAP - file access protocol
FAPES - force augmentation planning and execution system (JCS)
FAPM - functional activity program manager (DOD)
FAQ - frequently asked questions (Internet)
FAR - federal acquisition regulation
FARA - Federal Acquisition Reform Act
FASA - Federal Acquisition Streamlining Act
FASC - Fire and Air Support Center
FASC - Forward Area Signal Center
FASIC - function-and algorithm-specific IC
FAST - federal acquisition services for technology (GSA/FTS)
FAST - flow analysis system for TRANSCOM
FAST - forward area secondary imagery dissemination and tactical
related applications (Army)
FASTC - Foreign Aerospace Science and Technology Center
(USAF)
Fastload - A new type of neighbor load process that makes use of
more trunk bandwidth than is normally available for intertask
message exchanging.
FAT - file allocation tables
FATE - federated assessment and targeting enhancement (USAF)
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FATT - Forward Area Teletype
Fault - Tolerant - A CPU or network that is resistant to software
errors, power failures, and disk crashes.
FAX - facsimile
FBCB2 - Force XXI Battle Command Battalion/Brigade and Below
FBD - functional binary decomposition
FBIS - Foreign Broadcast Information Service
FBL - Federated Battle Labs
FBS - finance battlefield system
FC - fiber channel
FC-AL - fiber channel-arbitrated loop
FC-EL - fiber channel-enhanced loop
FC2S - FORSCOM C2 system
FCA - functional configuration audit
FCB - file control block
FCC - Federal Communications Commission
FCC - Flight Control Center (computer)
FCC - Federal Communications Commission
FCFS - first come first serve
FCI - Foreign Counterintelligence (FBI)
FCLC - fiber channel loop community
FCOM - Joint Forces Command
FCRB - future change review board
FCS - (Frame Check Sequence) - In bit-oriented protocols, a 16-bit
field that contains transmission error-checking information, usually
appended at the end of a frame. Also used in conjunction with
First Customer Ship; the date that a new product is first shipped
to a customer.
fctn - function
FD - failure density
FD - floppy disk
FDC - Fire Direction Center
FDC - floppy disk controller
FDC - First Digital Corps
FDCC - Fleet Deployable Communications Center
FDD - frequency division duplex
FDD - first digital division
FDDI - Fiber Distributed Data Interface
FDDM - Fire Direction Data Manager
FDDS - flag display distribution system
FDI - fault detection isolation
FDL - facility data link
FDM - formal development methodology
FDM - Functional Data Manager
FDM - (Frequency Division Multiplexing) - The transmission of two or
more signals over a common path by using a different frequency
band for each signal.
FDMA - frequency division multiple access
FDMIS - force development management information system
FDMP - Full Duplex Message Protocol