The list of army acronyms and abbreviations.

All army related acronyms and abbreviations.

18
WHO:
World Health Organization(Health organization, United Nations, Political)
18
ISO:
International Standards Organization(Accountancy, Computer technology)
17
JCS:
Joint Chiefs of Staff(Army, Government, Military)
17
FDDI:
Fiber Distributed Data Interface(Microsoft Windows, Network Protocol)
17
GUI:
Graphical User Interface(Web development, Printing, Computer technology)
17
TCP:
Transmission Control Protocol(Transport Layer, Switching)
17
SAR:
Synthetic Aperture Radar(Scientific satellite, Satellite, Meterology)
17
FY:
Fiscal Year(Financial, Taxation, US taxation)
16
GCCS:
Global Command and Control System(Computing, Army, Military)
16
IOC:
Initial Operational Capability(Computing, Army, Military)
16
OPM:
Office of Personnel Management(Human Resource Management, US Post, Postal)
16
GAO:
General Accounting Office(Political, Accountancy, Financial)
16
ICAO:
International Civil Aviation Organization(Air transport industry)
16
CIA:
Central Intelligence Agency(Governmental, Central, Administration)
16
ITU:
International Telecommunications Union(Computer Security, Computing, Army)
15
AVHRR:
Advanced Very High Resolution Radiometer(MARINE, Oceanography)
15
FBI:
Federal Bureau of Investigation(Governmental, Central, Administration)
15
OS:
Operating System(Computer network, Computers, Internet jargon)
15
JTIDS:
Joint Tactical Information Distribution System(Information Systems)
15
WMD:
Weapons of Mass Destruction(Political, Politics, Firefighting)
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ChicagoSmart Define. 2018. "army" http://smartdefine.org/army/abbreviations/r (accessed September 25, 2026).
HarvardSmart Define 2018, army, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/army/abbreviations/r>.
MLASmart Define. "army" 14 February 2018. Web. 25 September 2026. <http://smartdefine.org/army/abbreviations/r>