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| Army Airfield |
| Army and Air Force Exchange Service |
| Army Achievement Medal; Air-to-Air Missile (see ATAM); Automated Acquisition Module |
| After-Action Review (formerly After-Action Report); Air-to-Air Receive; Air-to-Air Refueling; Aircraft Accident Report |
| Airborne |
| Aircraft Commander; Active Component; Alternating Current; Aircraft; Aircraft Carrier; Air Conditioning; Air Controller; Aircrew; Armament Computer; Associate Contractor |
| Army Combat Uniform; Assault Craft Unit; Annunciator Control Unit; Automatic Calling Unit; Administrative Control Unit |
| Advanced Infantry Training; Advanced Individual Training (specialty training post-BCT); Aircraft Interface Tester; Automated Interactive Target; AUTODIN Interface Terminal; Automated Identification Technology |
| All-purpose Lightweight Individual Carrying Equipment |
| Army Modular Force |
| Army/Navy; see JETDS |
| Advanced Noncommissioned Officer Course |
| Accounts Office; Acquisition Objective; Action Officer; Aircraft Operator; Oiler (underway replenishment); Administration Officer; Air Officer; Area of Operations; Aviation Ordnance Person |
| Air and Space Operations Center; Air Operations Center; Army Operations Center; Air/Oil Cooler; Approach On Course; Auxiliary Output Chips; Aviation Ordnance Chief; Area of Concentration |
| Area of Operations; Aviation Ordnance Officer |
| Area of Responsibility; Allowance Overrides; Annual Operating Requirement; Area of Operations; Replenishment Oiler (underway replenishment) |
| Armored Personnel Carrier; Acquisition Professional Community; Accelerated Provision Concepts; Account Processing Code; Activity Process Codes; Agency Program Coordinator; Air Project Coordinator; Aerial Port Commander; Assign Pre-programmed Conference (list); Air Program Coordinator; Approach Power Compensator; Approach Power Control; Approach Control; Assistant Project Coordinator |
| Army Physical Fitness Test |
| Army Reserve Component Achievement Medal |
| Army Commendation Medal |
| Army Force Generation |
| As Soon As Possible (pronounced AY-sap), but usually meaning, "Do it right now."; Army Streamlined Acquisition Process; Army Substance Abuse Program |
| Army Service Component Command |
| Additional Skill Identifier, such as F7 (Pathfinder) or W5 (Jumpmaster). Used at the end of an MOS code to designate skill-trained personnel. EXAMPLE: 11B4VW5= 11B (Infantryman) 4 (Skill level 4 or SFC/E-7) V (an SQI or Skill Qualification Identifier of V equaling airborne ranger) W5 (Jumpmaster); Airspeed Indicator; Authorized Shipping Instructions; Automated Shore Interface; Assign (and display) Switch Initialization |
| Air Support Operations Center |
| Area Support Team |
| Anti-Submarine Warfare; Average Surface Wind |
| Air-To-Air Missile |
| All-Volunteer Force |
| Absent Without Official Leave. Not at one's place of duty, and not authorized to be absent, for more than 24 hours. |
| Air Worthiness Release |
| Bombardier/Navigator. The observer on a US Air Force fighter-bomber. |
| Basic Allowance for Housing (formerly BAQ) |
| Basic Allowance for Quarters; Basic Aircraft Qualification |
| Bad Conduct Discharge; Binary-Coded Decimal; Battlefield Coordination Detachment |
| Basic Combat Training (familiarly Basic Training or Basic), Brigade Combat Team (see also HBCT, IBCT, SBCT); Best Conventional Technology |
| Battle-Dress Uniform; Bomb Dummy Units |
| Bachelor Enlisted Quarters |
| Bottom Line Up Front (i.e., get to the point) |
| Basic Noncommissioned Officer Course |
| Beach Operations Group |
| Bachelor Officers' Quarters |
| Basic Rifle Marksmanship |
| Base Support Battalion |
| Battlefield Weather Team |
| Base eXchange. Air Force name for a PX (see below.) |
| Combat Aviation Brigade; Cabin; Centralized Accounting & Billing (Navy); Contract Adjustment Board; Cost Analysis Brief; Combat Action Badge |
| Common Access Card; Community Activity Center |
| Corrective Action through Physical Exercise |
| CASualty EVACuation |
| Cavalry (Armored Cavalry Regiment); Cavalry Fighting Vehicle |
| Chemical-Biological-Radiological (see NBC); Charger Battery Relay |
| United States Central Command (AFB MacDill, FL) |
| Combat Infantryman Badge; Combined Information Bureau; Controlled Image Base |
| Central Issue Facility |
| Commanding Officer (also conscientious objector); Certifying Officer; Change Order; Contracting Officer |
| Course of Action |
| Close Of Business. The end of the day or duty shift. MEANING: by the end of the duty day. USAGE: "Get that to me by COB today!!!"; Contingency Operating Base. Example: Contingency Operating Base (COB) Speicher, near Tikrit, Iraq |
| CONtinental United States |
| Command Post Exercise |
| Charge of Quarters. A company-level position of responsibility for units who house troops in their areas. Given to a mid-level or junior NCO who is responsible for the company's barracks and area during off-duty hours when the company commander and/or First Sergeant are not present. Lasts from COB (usually 1700 hours) to First Formation (usually 0600 hours) the next day during the work week. On weekends, the duty hours are adjusted accordingly. |
| Common Table of Allowances |
| Combat Training Center |
| Chief Warrant Officer; Communications Watch Officer |
| Combat Water Survival Test |
| Combat Weather Team |
| Department of the Army; Data Adapter aerospace drift; Data Administrator; Direct Action; Directorate for Administration (DIA); Decision Agent; Developing Agency; Design Agent; Development Activity; Disbursing Advisory Notice; Drift Angle |
| Distinguished Conduct Medal; Data Channel Multi-plexer; Deputy Chief of Mission; Data Communication Module |
| Data Control Unit; Document Control Unit; Desert Camouflage Uniform (not official) |
| Destroyer (Navy ship); Defense Department (see "Department of Defense") |
| Dining Facilities Administration Center (i.e., mess hall or cafeteria) |
| Defense Finance and Accounting System |
| Department of Defense (Defense Department, see "DD") |
| Dual-Purpose Improved Conventional Munitions (i.e., an artillery round) |
| Direct Reporting Unit |
| Direct Exchange (of damaged equipment) |
| Explosively-Formed Projectile |
| Expert Infantryman's Badge |
| Emergency Medical Technician; Emergency Medical Treatment; Elapsed Maintenance Time |
| Explosive Ordnance Disposal |
| Expiration of Term of Service (scheduled date of separation from active duty); Electronic Time Keeping System; Emergency Temporary Standard; Engineering (and) Technical Services (Request); Engineering Time Standards; Estimating Tracking System; Estimated Time of Separation |
| United States European Command (Stuttgart-Vaihingen, Germany) |
| Executive Summary |
| Forward Arming and Refueling Point/Forward-Arming Replenishment Package |
| Forward Edge of Battle Area |
| Forward Line of Own Troops |
| Field Operating Agency |
| Forward Operating Base; Forward Operations Base |
| United States Army Forces Command (Ft. McPherson, GA) |
| For Official Use Only |
| Field Training Exercise |
| Good Conduct Medal; General Court-Martial; Guidance Section |
| General/Flag Officers' Quarters |
| General Military Course |
| 'High-Altitude High-Opening parachute technique (type of parachute jump, self-explanatory);also referred to as a Stand-off infiltration technique. |
| High-Altitude Low-Opening parachute technique (type of parachute jump, self-explanatory); High Altitude Learjet Observatory |
| High-Altitude No-Opening parachute technique (type of parachute jump, self-explanatory) |
| Heavy gade Combat Team |
| High-Explosive; Handling Equipment; Housing Expense; Heavy Equipment |
| Heavy Extended-Mobility Tactical Truck |
| High-Mobility Multi-purpose Wheeled Vehicle |
| Headquarters |
| High-Value Target |
| In Accordance With |
| Infantry Brigade Combat Team |
| Imminent Danger Pay |
| Improvised Explosive Device |
| Inspector General |
| Infantry Officer Basic Course |
| Individual Ready Reserve |
| Joint Electronics Type Designation System (e.g. AN/PRC-xx) |
| Killed in Action |
| Load-Bearing Vest. Used for carrying ammunition, water, and other tactical loads while in the field, or during an assault. |
| Light Medium Tactical Vehicle. Used to transport troops or supplies. |
| Landing Zone |
| Army MEDical COMmand |
| MEDical EVACuation to an aid station or field hospital, usually by air ambulance. |
| Mission Essential Task List |
| Missing in Action. Missing in a battle situation, not known if alive or dead. |
| Multiple-Launch Rocket System |
| Military Medal |
| officially, Massive Ordnance Air Blast (slang: Mother Of All Bombs |
| short for MOBilization. Also, DEMOB |
| MOdular Lightweight Load-carrying Equipment |
| Mission-Oriented Protective Postures. Established procedures to deal with the effects of CBR/NBC weapons use. Chemical Protective Suits are called "MOPP suits." |
| Military Occupational Specialty. Formal job classification, usually expressed as a number or number/letter combination (e.g., 11B Infantryman.) |
| Military Police |
| officially, Meals, Ready to Eat; (slang: Meals Rejected/Refused by Everyone/Ethiopians, Meals Rejected by the Enemy, Meals Refusing to Exit, Meals Regurgitated by Everyone, Materials Resembling Edibles, etc.) |
| Nuclear-Biological-Chemical weapons, equipment, environment, and procedures |
| Non-Commissioned Officer. An enlisted person with command responsibility; Corporal to Command Sergeant Major˜; see also Specialist. |
| On or About |
| Order of Operations |
| Outside CONtinental United States, includes Alaska and Hawaii |
| Office (Officer) of Co-Responsibility |
| Officer Candidate School |
| Officer Evaluation Report |
| Oak-Leaf Cluster (signifying subsequent awards) |
| OPosing FORce/s |
| Operations Order |
| Office (Officer) of Primary Responsibility |
| Operational Security |
| Operational Tempo. The pace of an operation or operations; includes all of the activities the unit is conducting; can be a single activity or series of operations. |
| Office of the Secretary of Defense. Also, SECDEF. |
| One-Station Unit Training. Combination of BCT and AIT, where the soldier remains in the same unit for both training portions. |
| Pre-combat inspection; an inspection of equipment before a mission |
| Permanent Change of Station. Reassignment to a different duty station. |
| PERSonnel COMmand, short for United States Army Personnel Command. Now known as HRC, or the Human Resources Command. |
| Personnel Tempo. Refers to the unit workload level and number of deployed days per year. |
| Parachute Infantry Regiment |
| Primary Leadership Development Course |
| Parachute Landing Fall |
| Preventive Maintenance Checks and Services |
| Point Of Contact |
| Psychological Operations Group |
| Program Objective Memorandum |
| Privately-Owned Vehicle. A soldier's personal automobile. |
| Privately-Owned Weapon. A soldier's personal weapon. |
| Physical Training. Used in the plural (PTs), it refers to the PT Uniform. |
| Prisoner of War |
| Post eXchange. A multi-purpose store which usually includes a barber shop and a convenience store. |
| Quick Reaction Force |
| Regional Air Defense Commander |
| Rapid Fielding Initiative, Request For Information, Ready For Issue |
| Radar Intercept Officer, or "Rio". An observer on a US Naval Aviation two-seater fighter. |
| Rules of Engagement |
| Reserve Officer Training Corps, often pronounced ("ROT-see") |
| Rocket-Propelled Grenade |
| Satellite Communications |
| Stryker Brigade Combat Team |
| Support by Fire |
| Staff Duty Officer. Same duty as CQ (see above) but done by a Senior NCO at Battalion-level or above. |
| Special Forces |
| Special Forces Operational Detachment (Alpha), Also known as an ODA. |
| Special Forces Qualification Course |
| SITuational REPort |
| Subject Matter Expert |
| Special Operations COMmand. This is the military organization that oversees the activities of such elite units as the US Navy SEALs and US Army Delta Force, among others. |
| Solenoid |
| Standing Operating Procedure, Standard Operating Procedure |
| Security Policy Translation Table |
| Strategic Readiness System. An integrated strategic management and measurement system that was developed by the Army G-3 at the direction of the Chief of Staff of the Army (CSA). |
| Supply Service Center. Located in all major DoD buildings, SSCs provide a full range of common use, expendable supplies and forms, as well as reproduction services. Expendable supply items normally not stocked will be procured on special order if requested. Special supply items urgently needed may be procured on short notice if circumstances justify. |
| STRategic Army Corps; STRAC units were those designated to be on high alert to move anywhere in 72 hours or less; as slang, means tight, together, by the book; when said with sarcasm by a combat unit about a REMF unit it refers to stupid troops running around in circles. |
| Situational Training Exercise |
| TACtical Standard Operation Procedure. The ?game-plan? that units follow when conducting tactical operations. Similar to sports team and ?secret? plays, most units have a pre-determined default method for initiating attacks and solutions to problems that could arise. |
| Tank Commander |
| Temporary Duty/Temporary Divorce for a Year |
| Task Force |
| Transfer of Authority |
| Tactical Operations Center |
| US Army TRAining and DOCtrine Command |
| Training Resource Model |
| Unit of Action |
| US Army Europe (HQ: Heidelberg) |
| UneXploded Ordnance |
| Very Respectfully. The standard closure line on official mail/e-mail. |
| Vehicle-Borne Improvised Explosive Device |
| |
| Will Comply |
| Warning Order |
| White Phosphorus |
| Weapon Systems Officer, or "Wizzo". The observer, navigator or individual in control of weapon systems in a two-seater fighter. |
| Executive Officer. Officer second-in-command to the CO. |
| Zone of Interior, World War II official term for the United States. The term CONUS replaced it. |