1MC — 1 Main Circuit (Shipboard Public Address)
A3 — Deputy Chief of Staff of Operations for the Air Force
AAR — After-Action Review
ABV — Assault Breacher Vehicle
ACV — Amphibious Combat Vehicle
ADA — Air Defense Artillery
ADIZ — Air Defense Identification Zones
AEGIS — Advanced Electronic Guided Interceptor System
AESA — Active Electronically Scanned Array
AIP — Air-Independent Propulsion
AIS — Automatic Identification System
AMP — Advanced Multi-Purpose
AMRAAM — Advanced Medium-Range Air-to-Air Missile
APC — Armored Personnel Carrier
APOBS — Anti-Personnel Obstacle Breaching Systems
AR-HUD — Augmented Reality Heads Up Display
ASVAB — Armed Services Vocational Aptitude Battery
ASW — Anti-submarine Warfare
AT — Anti-Tank
ATGM — Anti-tank Guided Missile
AUV — Autonomous Underwater Vehicle
AWOL — Absent Without Leave
AWACS — Airborne Warning and Control System
BMC-R — Battle Management Control Room
BMP — Russian infantry fighting vehicles
BRICS — Brazil, Russia, India, China, and South Africa
BTR — Russian armored personnel carrier
CAP — Combat Air Patrol
CCP — Chinese Communist Party
CCTV–Closed-Circuit Television
CHIMERA — Common High-Assurance Internet Protocol Encryptor Interoperable Manager for Efficient Remote Administration
CIA — Central Intelligence Agency
CIC–Combat Information Center
CITV–Commander’s Independent Thermal Viewer
CIWS — Close in Weapons System
CMC–Central Military Commission
COSCO — China Ocean Shipping (Group)
CRI — Refers to the MIM-104C PAC-2 CRI interceptor (a modernized version of the original PAC-2 Patriot missile)
CSM — Command Sergeant Major
DEAC — Drug Enforcement Act of China
DEFCON — Defense Readiness Condition
DHS — Department of Homeland Security
DIA — Defense Intelligence Agency
E3 — Newer generation of Abrams tank
EA — Engagement Area
EDEP — Eurasian Defense Economic Pact
EMCON — Emission Control
EMP — Electromagnetic Pulse
ENDEX — End of Exercise
EOD — Explosive Ordnance Disposal
ETA — Estimated Time of Arrival
EUCOM — European Command
EW — Electronic Warfare
FBI — Federal Bureau of Investigations
FLIR — Forward-Looking Infrared
FPV — First-Person View (type of drone)
GCHQ — Government Communications Headquarters (UK intelligence)
GDP — Gross Domestic Product
GEAB — Gotland Energy AB
GEM-T — Guidance-Enhanced Missile, Tactical
GPS — Global Positioning System
GRU — Russian Intelligence
HEAT — High-Explosive Anti-tank
HEMTT — Heavy Expanded Mobility Tactical Truck
HET — Heavy Equipment Transport
HIMARS — High Mobility Artillery Rocket System
HPM — High-Power Microwave
HSwMS — His/Her Swedish Majesty’s Ship
HUD — Heads Up Display
HVAC — Heating, Ventilation, and Air Conditioning
ICS — Interim Contractor Support
IDF — Chinese fighter aircraft
IFAK — Individual First Aid Kit
IFF — Identification Friend or Foe
IR — Infrared
IRIS-T — Infrared Imaging System Tail/Thrust Vector-Controlled
ISR — Intelligence, Surveillance, and Reconnaissance
ITAR — International Traffic in Arms Regulations
JAB — Joint Assault Bridge
JLTV — Joint Light Tactical Vehicle
JOS — Joint Operations Center
JSDFJapan Self-Defense Forces
JSOC — Joint Special Operations Command
KIA — Killed in Action
LIDAR — Light Detection and Ranging
LNG — Liquid Natural Gas
LT — Lieutenant
LUMES — Master’s Degree Program in Environmental Studies and Sustainability Science
LZ — Landing Zone
MANPADS — Man-Portable Air Defense System
MARCOM — Allied Maritime Command
MCLIC — Mine Clearing Line Charge
METOC — Meteorology and Oceanography
MMO — Massively Multiplayer Online (video games)
MP — Military Police
MRE — Meals Ready-to-Eat
MRL — Multiple Rocket Launcher
MSE — Missile Segment Enhancement
MSS — Ministry of State Security (Chinese version of secret police, FBI, and CIA combined)
MTU — Motoren- und Turbinen-Union, a well-known German manufacturer of high-performance diesel engines and propulsion systems.
MV — Motor Vehicle
NATO — North Atlantic Treaty Organization
NCO — Non-Commissioned Officer
NGO — Non-governmental Organization
NOFORN — No Foreign Dissemination (classification level)
NSA — National Security Advisor OR National Security Agency
NSB — Naval Submarine Base
OCP — Operational Camouflage Pattern
OPFOR — Opposing Forces
OPSEC — Operations Security
PC — Personnel Carrier
PDW — Personal Defense Weapon
PFC — Private First Class
PLA — People’s Liberation Army (Chinese Army)
PLAN — People’s Liberation Army Navy (Chinese Navy)
PMC — Private Military Contractor
POI — Program of Instruction
PRC — People’s Republic of China
PT — Physical Training
REFORGER — Return of Forces to Germany
RFID — Radio Frequency Identification
RHIB — Rigid-Hulled Inflatable Boat
ROC — Republic of China (Taiwan)
ROE — Rules of Engagement
RO/RO — Roll-on, Roll-off
S2 — Intelligence Officer
SACEUR — Supreme Allied Commander Europe
SCIF — Sensitive Compartmented Information Facility
SEAL — Sea, Air, and Land (Navy special forces)
SECNAV — Secretary of the Navy
SFC — Sergeant First Class
SHAPE — Supreme Headquarters Allied Powers Europe
SHORAD — Short-Range Air Defense
SIGINT — Signals Intelligence
SME — Subject Matter Expert
SOCEUR — Special Operations Command Europe
SOSUS — Sound Surveillance System
SUV — Sports Utility Vehicle
SVR — Russian Foreign Intelligence
SVTC — Secure Video Teleconferencing
TAO — Tactical Action Officer
TC — Tank Commander
TF — Task Force
TOC — Tactical Operations Center
UCSD — University of California, San Diego
UN — United Nations
USN — United States Navy
USNS — United States Naval Ship
USS — United States Ship
USV — Unmanned Surface Vehicle
UUV — Unmanned Underwater Vehicle
VDV — Soviet Airborne Forces
VHFVery High Frequency
VLS — Vertical Launching System
VPN — Virtual Private Network
XLUUV — Extra Large Unmanned Undersea Vehicle
XO — Executive Officer