AA = Anti-Aircraft
AA&E = Arms, Ammunition, And Explosives
AAA = Anti-Aircraft Artillery
AAAA = Army Aviation Association Of America
AABB = American Association of Blood Banks
AABWS = Amphibious Assault Bulk Water System
AAC = Activity Address Code
AECT = Aeromedical Evacuation Control Team
AAFES = Army and Air Force Exchange Service
AAFIF = Automated Air Facility Information File
AAFS = Amphibious Assault Fuel System
AAGS = Army Air-Ground System
AAM = Air-To-Air Missile
AAMDC = Army Air and Missile Defense Command
AAOE = Arrival and Assembly Operations Element
AAOG = Arrival and Assembly Operations Group
AAP = Allied Administrative Publication
AAR = After Action Report
AAU = Analog Applique Unit
AAV = Amphibious Assault Vehicle
AAW = Anti-Air Warfare
AB = Airbase
ABCS = Army Battle Command System
ABD = Airbase Defense
ABFCS = Advanced Base Functional Component System
ABU = Airman Battle Uniform
ABV = Assault Breacher Vehicle
ACCP = Army Correspondence Course Program
ACFT = Aircraft
ACK = Acknowledge
ACLS = Auto Carrier Landing System
ACMI = Air Combat Maneuvering Instrumentation
ACO = Administrative Contracting Officer
ACU = Army Combat Uniform
ADAB = Air Defense Artillery Branch
ADC = Air Data Computer
ADOS = Active Duty, Operational Support
ADP = Automatic Data Processing
ADPA = American Defense Preparedness Association
ADPSO = Automatic Data Processing Security Officer
ADS = Automated Data System
ADSW = Active Duty, Special Work
AEW&C = Airborne Early Warning and Control
AFMC = Armed Forces Medical College
AFOQT = Air Force Officer Qualifying Test
AFOSI = Air Force Office of Special Investigations
AFSC = Air Force Specialty Code
AHA = Ammunition Holding Area
AHD = Ahead
AIS = Automated Information System
AIT = Advanced Individual Training
ALCON = All Concerned
AMU = Aircraft Maintenance Unit
AMXG = Aircraft Maintenance Group
AMXS = Aircraft Maintenance Squadron
ANG = Air National Guard
AO = Area of Operations
AOC = Air Operations Center
AOL = Absent Over Leave
AP = Armor-Piercing
APC = Armored Personnel Carrier
APFT = Army Physical Fitness Test
APFU = Army Physical Fitness Uniform
APO = Army Post Office
APRT = Army Physical Readiness Test
ARM = Anti-Radar Missile
ARMS = Aviation Resource Management System
ARNG = Army National Guard
ARPANET = Advanced Research Projects Agency Network
ARS = Air Refueling Store
ART = Alarm Response Team
ASAP = Army Substance Abuse Program
ASAP = As Soon As Possible
ASCII = American Standard Computer Information Interchange
ASCM = Anti-Ship Cruise Missile
ASD = Assistant Secretary of Defense
ASDS = Airborne Serial Data System
ASM = Air-to-Surface Missile
ASROC = Anti-Submarine Rocket
ASSET = Asset Source for Software Engineering Technology
ASSY = Assembly
AST = Aircraft System Trainer
ASTM = American Society for Testing and Materials
ASV = Anti-Surface Vessel
ASVAB = Armed Services Vocational Aptitude Battery
ASW = Anti-Submarine Warfare
ATC = Air Traffic Control
ATFU = Ate The Fuck Up
ATO = Antiterrorism Officer
ATRRS = Army Training Requirements and Resources System
AWACS = Airborne Warning and Control System
AWOL = Absent Without Leave
AZ = Azimuth
BAH = Basic Allowance for Housing
BAR = Browning Automatic Rifle
BAT = Battery
BAU = Behavioral Analysis Unit
BB = Battleship
BCD = Bad Conduct Discharge
BCG = Birth Control Glasses
BCM = Beyond Capability Of Maintenance
BCT = Basic Combat Training
BDA = Battle Damage Assessment
BDE = Brigade
BDU = Battle Dress Uniform
BEA = Budget Execution Authority
BFT = Blue Force Tracker
BG = Bodyguard
BLUF = Bottom Line Up Front
BM = Ballistic Missile
BMNT = Begin Morning Nautical Twilight
BN = Battalion
BOHICA = Bend Over Here It Comes Again
BRAC = Base Realignment And Closure
BRAT = Born Raised And Transferred
BUB = Battle Update Brief
BVR = Beyond Visual Range
BX = Base Exchange
C1 = Command
C2 = Command And Control
C3 = Command Control and Communication
CAC = Common Access Card
CAG = Civil Affairs Group
CAGE = Commercial And Government Entity
CALL = Center for Army Lessons Learned
CAPT = Captain
CAS = Close Air Support
CASE = Computer Aided Software Engineering
CASEVAC = Casualty Evacuation
CAT = Combat Application Tourniquets
CBRN = Chemical Biological Radiological Nuclear
CBU = Cluster Bomb Unit
CCA = Carrier Controlled Approach
CCIP = Continually Calculated Impact Point
CCIR = Commanders Critical Information Requirements
CCP = Casualty Collection Point
CCRP = Continually Calculated Release Point
CCTDA = Cockpit Control Thrust Drive Actuator
CCTT = Command And Control Team Trainer
CDAT = Computerized Dumb Ass Tanker
CDD = Common Data Dictionary
CDIAC = Carbon Dioxide Information Analysis Center
CENTCOM = Central Command
CF = Cluster Fuck "Charlie Foxtrot"
CHU = Containerized Housing Unit
CIA = Central Intelligence Agency
CIB = Combat Infantry Badge
CIC = Command Intelligence Center
CINCLANT = Commander-in-chief, Atlantic Forces
CINCPAC = Commander-in-chief, Pacific Forces
CIS = Case Integration Services
CITIS = Contractor Integrated Technical Information Service
CIU = Cockpit Interface Unit
CIWS = Close-In Weapon System
CJCS = Chairman Of The Joint Chief Of Staff
CJOTUS = Chief Justice of the United States
CKPT = Cockpit
CLIN = Contract Line Item Number
CLIP = Configuration Logistic Information Program
CLR = Clear
CLS = Contractor Logistics Support
CLTE = Cost and Lead Time Estimate
CMAN = Configuration Management
CMDS = Cockpit Management Display System
CMI = Computer Managed Instruction
CMPTSC = Conventional Marine Propulsion Training Steering Group
CMR = Configuration Management Review
CMS = Cockpit Management System
CMSAF = Chief Master Sergeant of the Air Force
CMSgt = Chief Master Sergeant
CMSS = Configuration Management Support System
CO = Commanding Officer
COA = Course Of Action
COB = Chief Of the Boat
COCOM = Combatant Commander
CODELS = Congressional Delegations
Col = Colonel
COMINT = Communications Intelligence
COMPACFLT = Commander, Pacific Fleet
COMSEC = Communication Security
CONUS = Continental United States
CONUSA = Continental United States Army
COP = Combat Out Post
CoS = Chief of Staff
COT = Commissioned Officer Training
CP = Check Point
CPL = Corporal
CPO = Chief Petty Officer
CPT = Captain
CPX = Command Post Exercise
CQB = Close Quarters Battle
CRC = CONUS Replacement Center
CSAR = Combat Search And Rescue
CSM = Command Sergeant Major
CT = Counter-terrorism Team
CTR = Close Target Reconnaissance
CUB = Commander Update Brief
CVN = Nuclear-powered Aircraft Carrier
CWO = Chief Warrant Officer
CZN = Nuclear-powered Airship Carrier
DAC = Department of the Army Civilian
DAGO = Department of the Army General Officer
DAGR = Defense Advanced GPS Receiver
DARPA = Defense Advanced Research Projects Agency
DASA = Division Artillery Security Area
DAT = Dumb Ass Tanker
DC = Damage Control
DC3 = Department of Defense Cyber Crime Center
DCAA = Defense Contract Audit Agency
DCMA = Defense Contract Management Agency
DEROS = Date Estimated Return From Overseas
DFAC = Dining Facility
DFAS = Defense Finance and Accounting Service
DIA = Defense Intelligence Agency
DINFAC = Dining Facility
DISA = Defense Information Systems Agency
DISP = Display
DIST = Distance
DIVERTR = Diverter
DLA = Defense Logistics Agency
DLB = Dead Letter Box
DLSC = Defense Logistic Systems Center
DMDC = Defense Manpower Data Center
DME = Depot Maintenance Enterprise
DMEA = Defense Microelectronics Activity
DMS = Defense Message System
DMZ = Demilitarized Zone
DNA = Defense Nuclear Agency
DNS = Doppler Navigation Sensor
DOA = Dead on Arrival
DOC = Descend On Course
DOD = Department Of Defense
DoDAAC = Department of Defense Activity Address Code
DoDAF = Department of Defense Architectural Framework
DoDIC = Department of Defense Identification Code
DOEHRS = Defense Occupational and Environmental Health Readiness System
DOP = Drop-Off Point
DPMs = Disruptive Pattern Material
DRT = Dead Right There
DTO = Daily Tasking Order
DTRA = Defense Threat Reduction Agency
DZ = Drop Zone
E&E = Escape and Evade
EA = Electronic Attack
ECP = Entry Control Point
EDCSA = Effective Date of Change of Strength Accountability
EFIS = Electronic Flight Information System
EFR = Equipment Facility Requirements
EHRS = Electronic Health Records
EI = Engineering and Installation
EI SIT = Engineering and Installation Site Implementation Team
EIB = Expert Infantry Badge
EIS = Engineering and Installation Squadron
EKIA = Enemy Killed in Action
ELINT = Electronic Intelligence
EMI = Extra Military Instruction
ENS = Ensign
EOD = Explosive Ordnance Disposal
EOS = End of Service
EP = Electronic Protection
EPR = Enlisted Performance Report
EPW = Enemy Prisoner of War
ERV = Emergency Rendezvous
ETA = Estimated Time of Arrival
ETS = Estimated Termination of Service
EUCOM = European Command
EW = Electronic Warfare
Exfil = Exfiltration
FA = Field Artillery
FAK = First Aid Kit
FAR = Federal Acquisition Regulation
FBI = Federal Bureau of Investigation
FEBA = Forward Edge of the Battle Area
FFE = Fire For Effect
FIDO = Fire Direction Officer
FIGMO = Fuck It, Got My Orders
FISHDO = Fuck It, Shit Happens, Drive On
FISINT = Foreign Instrumentation Signals Intelligence
FIST = Fire Support Team
FIST-V = Fire Support Team Vehicle
FISTer = Member of a Fire Support Team
FitRep = Fitness Report
FLOT = Forward Line of Troops
FLOTUS = First Lady of the United States
FM = Field Marshal
FMC = Fully Mission Capable
FMTV = Family of Medium Tactical Vehicles
FNG = Fucking New Guy
FO = Forward Observer
FOB = Forward Operating Base
FOD = Foreign Object Debris
FPO = Fleet Post Office
FRACU = Flame-Resistant Army Combat Uniform
FRB = Failure Review Board
FRD = Facilities Requirements Document
FRS = Fleet Readiness Squadron
FSA = Force Structure Allowance
FSTE = Foreign Service Tour Extension
FTUS = Full Time Unit Specialist
FUBAR = Fucked Up Beyond All Repair
FYI = For Your Information
FYSA = For Your Situational Awareness
G1 = General Staff Level office for Personnel and Manpower
G2 = General Staff Level office for Military Intelligence
G3 = General Staff Level office for Operations and Plans
G4 = General Staff Level office for Logistics
G5 = General Staff Level office for Military/Civil Affairs
G6 = General Staff Level office for Signal and Communication
G7 = General Staff Level office for Training and Exercises
G8 = General Staff Level office for Force Development and Analysis
G9 = General Staff Level office for Civil Operations
GBU = Guided Bomb Unit
GEN = General
GI = Government Issue
GIG = Global Information Grid
GIGO = Garbage In Garbage Out
GO = General Officer
GOCO = Government Owned, Contractor Operated
GPMG = General Purpose Machine Gun
GPS = Global Positioning System
GS = General Schedule
HAAM = High Altitude Airdrop Missions
HAHO = High Altitude High Opening
HALO = High Altitude Low Opening
HBL = Holiday Block Leave
HE = High Explosive
HEAT = High Explosive Anti-Tank Warhead
HEP = High Explosive, Plastic
HESH = High Explosive Squash Head
HHB = Headquarters and Headquarters Battery
HHC = Headquarters and Headquarters Company
HHT = Headquarters and Headquarters Troop
HIMARS = High Mobility Artillery Rocket System
HMFIC = Head Motherfucker In Charge
HMMWV = High Mobility Multipurpose Wheeled Vehicle
HOMSEC = Homeland Security
HQ = Headquarters
HRAP = Hometown Recruiter Assistance Program
HTCL = Remote Hover Trim Controller
HUD = Head Up Display
HUMINT = Human Intelligence
HVI = High Value Individual
HVR = Hover
HVT = High Value Target
HYT = High Year Tenure
IAVA = Information Assurance Vulnerability Alert
ICBM = Intercontinental Ballistic Missile
ICE = Individual Carrying Equipment
ID = Identification
IED = Improvised Explosive Device
IFAK = Individual First Aid Kit
IFF = Identification Friend or Foe
IFF = Introduction to Fighter Fundamentals
IFV = Infantry Fighting Vehicle
IG = Inspector General
IN = Infantry
INSCOM = United States Army Intelligence and Security Command
Interpol = International Criminal Police Organization
ISR = Intelligence, Surveillance, and Reconnaissance
IYAAYAS = If You Ain't AMMO, You Ain't Shit
JA = Judge Advocate
JAFO = Just Another Fucking Observer
JAG = Judge Advocate General
JATO = Jet-Assisted Take Off
JDAM = Joint Direct Attack Munition
JEEP = Just Enough Essential Parts
JETDS = Joint Electronics Type Designation System
JNN = Joint Network Node
JSAM = Joint Service Achievement Medal
JSF = Joint Strike Fighter
JSOC = Joint Special Operations Command
JSTARS = Joint Surveillance Target Attack Radar System
JTF = Joint Task Force
KBO = Keep Buggering On
KIA = Killed In Action
KISS = Keep It Simple, Stupid
KP = Kitchen Police
LAAD = Low Altitude Air Defense
LAAT = Low Altitude Assault Transport
LAV = Land Artillery Vehicle
LCDR = Lieutenant Commander
LCPL = Lance Corporal
LES = Leave and Earnings Statement
LGOP = Little Group Of Paratroopers
LIC = Low Intensity Conflict
LMTV = Light Medium Tactical Vehicle
LP = Listening Post
LPC = Leather Personnel Carrier
LPO = Leading Petty Officer
LT = Lieutenant
LTC = Lieutenant Colonel
LTG = Lieutenant General
LTJG = Lieutenant, Junior Grade
LUP = Lying-Up Point
LZ = Landing Zone
MAJ = Major
MARCENT = Marine Corps Central Command
MARSOC = Marine Corps Forces Special Operations Command
MAV = Micro Air Vehicle
MAW = Maximum Allowable Weight
MBT = Main Battle Tank
MCCS = Marine Corps Community Services
MCEITS = Marine Corps Enterprise Information Technology Service
MCEN = Marine Corps Enterprise Network
MCPO = Master Chief Petty Officer
MDTS = Mcdonnell Douglas Training Systems
MedEvac = Medical Evacuation
MFA = Ministry of Foreign Affairs
MG = Machine Gun
MG = Major General
MI = Military Intelligence
MIA = Missing In Action
MICV = Mechanized Infantry Combat Vehicle
MILCON = Military Construction
MK = Machinery Technician
MK = Mark
MLRS = Multiple Launch Rocket System
MMFD = Miles and Miles of Fucking Desert
MOA = Military Operating Area
MOAB = Mother Of All Bombs
MOAC = Mother of All Coffee
MOB = Main Operating Base
MOBCOM = Mobile Command
MOPP = Mission Oriented Protective Posture
MOS = Military Occupation Specialty
MOUT = Military Operations in Urban Terrain
MPDS = Military Planning Data Allowance
MRAP = Mine Resistant Ambush Protected
MRE = Meal Ready to Eat
MRX = Mission Rehearsal Exercise
MSDC = Marine Science Diving Club
MSgt = Master Sergeant
MSR = Main Supply Route
MTOE = Modified Table Of Organizational Equipment
MTS+ = Movement Tracking System Plus
MTV = Medium Tactical Vehicle
MWR = Morale Welfare Recreation
NAFTA = North American Free Trade Agreement
NAS = Naval Air Station
NATO = North Atlantic Treaty Organisation
NAVAIR = Naval Air Systems Command
NAVCENT = Naval Forces Central Command
NAVOCEANO = Naval Oceanographic Office
NBACC = National Biodefense Analysis and Countermeasures Center
NCIS = Naval Criminal Investigative Service
NCO = Non-Commissioned Officer
NCOES = Non-Commissioned Officer Education System
NCOIC = Non-Commissioned Officer in Charge
ND = Negligent Discharge
NDP = Night Defensive Position
NEFF = New Equipment Fielding Facility
NIBC = National Interagency Biodefense Campus
NICBR = National Interagency Confederation for Biological Research
NLT = No Later Than
NMC = Not Mission Capable
NMCI = Naval Marine Corps Intranet
NME = Non-Mission Essential
NNMSA = Non-Nuclear Munitions Storage Area
NOC = Non Official Cover
NORAD = North American Aerospace Defense Command
NPDES = National Pollutant Discharge Elimination System
NSA = National Security Agency
NSW = Naval Special Warfare
NSWDG = Naval Special Warfare Development Group
NUB = Non-Useful Body
NVD = Night Vision Device
O&M, MC = Operations & Maintenance, Marine Corps
O&M, N = Operations & Maintenance, Navy
OBE = Overrun By Events
OCONUS = Outside Continental United States
OCP = Operational Camouflage Pattern
OCS = Officer Candidate School
ODA = Operational Detachment-Alpha
ODU = Operational Dress Uniform
OIC = Officer in Charge
OIG = Office of Inspector General
OM = On the Move
OODA = Observe, Orient, Decide, and Act
OP = Observation Post
OPORD = Operations Order
OPR = Officer Performance Report
OPSEC = Operations Security
ORM = Operational Risk Management
OSM = Oh Shit Moment
OSP = On Site Procurement
OSP = Orbital Services Program
OTF = Out There Flapping
OTS = Officer Training School
OTV = Outer Tactical Vest
PACAF = Pacific Air Forces
PACOM = Pacific Command
PAT = Process Action Team
PATT = Pattern
PAX = Passengers
PCS = Permanent Change of Station
PDS = Permanent Duty Station
PDT = Pre-Deployment Training
PE = Plastic Explosive
PEBCAK = Problem Exists Between Chair And Keyboard
PFC = Private First Class
PFM = Pure Fucking Magic
PFT = Physical Fitness Test
PII = Personally Identifiable Information or Personal Identity Information
PL = Platoon Leader
PLT = Platoon
PMC = Partially Mission Capable
PME = Professional Military Education
PMS = Planned Maintenance Schedule
PNG = Passive Night Goggles
PO = Post Office
PO1 = Petty Officer 1st Class
PO2 = Petty Officer 2nd Class
PO3 = Petty Officer 3rd Class
POC = Point Of Contact
POG = Person Other than Grunt
POL = Petroleum Oil & Lubricants
POTUS = President of the United States
POV = Privately Owned Vehicle
POW = Prisoner Of War
PPG = PT Parade Games
PPPPPPP = Proper Prior Planning Prevents Piss Poor Performance
PRP = Personnel Reliability Program
PRP = Pretty Retarded Program
PRT = Physical Readiness Training
PRT = Provincial Reconstruction Team
PT = Physical Training
PTB = Powers That Be
PV2 = Private 2nd class
PVT = Private
PX = Post Exchange
QUP = Quantity per Unit Pack
RATELO = Radiotelephone Operator
RATO = Rocket Assisted Take Off
REMF = Rear Echelon Mother Fucker
RFL = Response Force Leader
ROE = Rules Of Engagement
ROMA Data = Right Out of My Ass Data
ROWPU = Reverse Osmosis Water Purification Unit
ROZ = Restricted Operating Zone
RPG = Rocket-Propelled Grenade
RPG = Rounds Per Minute
RSS = Regional Security System
RTB = Return To Base
RTO = Radio Telephone Operator
RV = Rendezvous
SA = Seaman Apprentice
SA = Situation Awareness
SAAS = Standard Army Ammunition System
SAM = Surface-to-Air Missile
SARS = Search And Rescue Swimmer
SARSS = Standard Army Retail Supply System
SCIF = Sensitive Compartmented Information Facility
SCO = Squadron Commander
SCOTUS = Supreme Court of the United States
SCPO = Senior Chief Petty Officer
SD = Status Destroyed
SDD = Solution Delivery Division
SEAC = Senior Enlisted Advisor to the Chairman of the Joint Chiefs of Staff
SEAL = Sea, Air and Land
SERE = Survival, Evasion, Resistance and Escape
SFC = Sergeant First Class
SFOD-A = Special Forces Operational Detachment Alpha
SFOD-B = Special Forces Operational Detachment Bravo
SFOD-C = Special Forces Operational Detachment Charlie
SFOD-D = Special Forces Operational Detachment Delta
SGM = Sergeant Major
SGT = Sergeant
SITREP = Situation Report
SJA = Staff Judge Advocate
SLAM = Standoff Land Attack Missile
SLBM = Submarine-Launched Ballistic Missile
SLOTUS = Second Lady of the United States
SMA = Sergeant Major of the Army
SMEAC = Situation, Mission, Execution, Admin, Command
SMSgt = Senior Master Sergeant
SN = Seaman
SNAFU = Situation Normal: All Fucked Up
SOCCENT = Special Operations Command CENTCOM
SOCOM = United States Special Operations Command
SOFA = Status of Forces Agreement
SOL = Shit Out of Luck
SOLJWF = Shit Out of Luck and Jolly Well Fucked
SOP = Standard Operating Procedures
SOS = Shit On a Shingle
SPC = Specialist
SR = Seaman Recruit
SrA = Senior Airman
SRBM = Short-Range Ballistic Missile
SSBN = Nuclear-Powered Ballistic Missile Submarine
SSDD = Same Shit Different Day
SSDDBS = Same Shit Different Day Bigger Shovel
SSG = Staff Sergeant
SSGN = Nuclear-Powered Cruise Missile Submarine
SSgt = Staff Sergeant
SSN = Nuclear-Powered Attack Submarine
STOVL = Short Takeoff, Vertical Landing
STRT = Start
STT = Schedule Training Time
STTWG = Submarine Training/Trainer Working Group
STVTS = Submarine Tactical Visual Training System
SUSFU = Situation Unchanged, Still Fucked Up
SWAG = Scientific Wild Ass Guess
SWAK = Sealed With A Kiss
SWP = Space, Weight And Power
SWS = Strategic Weapons System
TACP = Tactical Air Control Party
TAD = Temporary Additional Duty
TAO = Tactical Action Officer
TARFU = Totally And Royally Fucked Up
TBD = To Be Determined
TCCC = Tactical Combat Casualty Care
TCMDR = Troop Commander
TDPFO = Temporary Duty Pending Further Orders
TDY = Temporary Duty
TEL = Transporter Erector Launcher
TF = Task Force
TFOA = Things Falling Off Aircraft
TIC = Troops In Contact
TOC = Tactical Operations Center
TRADOC = U.S. Army Training and Doctrine Command
TSgt = Technical Sergeant
TU = Tits Up
UA = Unauthorized Absence
UAS = Unmanned Aerial System
UAV = Unmanned Aerial Vehicle
UCAV = Unmanned Combat Air Vehicle
UCP = Universal Camouflage Pattern
ULLS = Unit Level Logisitics System
UMA = Unit Mobilization Assistor
UN = United Nations
US = Unserviceable
USAF = United States Air Force
USAFA = United States Air Force Academy
USAFE = United States Air Forces in Europe
USAMRAA = United States Army Medical Research Acquisition Activity
USAMRICD = United States Army Medical Research Institute of Chemical Defense
USAMRIID = United States Army Medical Research Institute of Infectious Disease
USAMRMC = United States Army Medical Research and Materiél Command
USAREC = US Army Recruiting Command
USCG = US Army European Command
USCGC = United States Coast Guard Cutter
USMA = United States Military Academy
USMC = United States Marine Corps
USN = United States Navy
USNA = United States Naval Academy
USO = United Service Organizations
USR = Unit Status Report
USS = United States Ship
USSS = United States Secret Service
UUV = Unmanned Underwater Vehicle
UXB = Unexploded Bomb
UXO = Unexploded Ordnance
VBIED = Vehicle-Borne Improvised Explosive Device
VDM = Visual Distinguishing Mark
VFD = Volunteer Fire Department
VFR = Volunteer Fire and Rescue
VPOTUS = Vice President of the United States
WCS = Worst Case Scenario
WIA = Wounded In Action
WILCO = Will Comply
WMD = Weapons of Mass Destruction
WO1 = Warrant Officer 1
WORM = War Operating Ready Material
WSA = Weapons Storage Area
WST = Weapon System Trainer
WTHR = Weather
XO = Executive Officer
YGBSM = You Gotta Be Shitting Me