| Acronym | Meaning |
 | HEMTT | Heavy Extended-Mobility Tactical Truck |
| HMMWV | High-Mobility Multi-purpose Wheeled Vehicle |
| HQ | Headquarters |
| HVT | High-Value Target |
| IAW | In Accordance With |
| IBCT | Infantry Brigade Combat Team |
| IDP | Imminent Danger Pay |
| IED | Improvised Explosive Device |
| IG | Inspector General |
| IOBC | Infantry Officer Basic Course |
| IRR | Individual Ready Reserve |
| JETDS | Joint Electronics Type Designation System (e.g. AN/PRC-xx) |
| KIA | Killed In Action |
| LBV | Load-Bearing Vest. Used For Carrying Ammunition |
| LMTV | Light Medium Tactical Vehicle. Used To Transport Troops Or Supplies. |
| LZ | Landing Zone |
| MEDCOM | Army MEDical COMmand |
| MEDEVAC | MEDical EVACuation To An Aid Station Or Field Hospital |
| METL | Mission Essential Task List |
| MIA | Missing In Action. Missing In A Battle Situation |
| MLRS | Multiple-Launch Rocket System |
| MM | Military Medal |
| MOAB | Officially |
| MOB | Short For MOBilization. Also |
| MOLLE | MOdular Lightweight Load-carrying Equipment |
| MOPP | Mission-Oriented Protective Postures. Established Procedures To Deal With The Effects Of CBR/NBC Weapons Use. Chemical Protective Suits Are Called MOPP Suits. |
| MOS | Military Occupational Specialty. Formal Job Classification |
| MP | Military Police |
| MRE | Officially |
| NBC | Nuclear-Biological-Chemical Weapons |
| NCO | Non-Commissioned Officer. An Enlisted Person With Command Responsibility; Corporal To Command Sergeant Major˜; See Also Specialist. |
| O/A | On Or About |
| O/O | Order Of Operations |
| OCONUS | Outside CONtinental United States |
| OCR | Office (Officer) Of Co-Responsibility |
| OCS | Officer Candidate School |
| OER | Officer Evaluation Report |
| OLC | Oak-Leaf Cluster (signifying Subsequent Awards) |
| OPFOR | OPosing FORce/s |
| OPORD | Operations Order |
| OPR | Office (Officer) Of Primary Responsibility |
| OPSEC | Operational Security |
| OPTEMPO | 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. |
| OSD | Office Of The Secretary Of Defense. Also |
| OSUT | One-Station Unit Training. Combination Of BCT And AIT |
| PCI | Pre-combat Inspection; An Inspection Of Equipment Before A Mission |
| PCS | Permanent Change Of Station. Reassignment To A Different Duty Station. |
| PERSCOM | PERSonnel COMmand |
| PERSTEMPO | Personnel Tempo. Refers To The Unit Workload Level And Number Of Deployed Days Per Year. |
| PIR | Parachute Infantry Regiment |
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