| Acronym | Meaning |
 | OCS | Officer Candidate School |
| PIR | Parachute Infantry Regiment |
| TRM | Training Resource Model |
| MOPP | Mission-Oriented Protective Postures. Established Procedures To Deal With The Effects Of CBR/NBC Weapons Use. Chemical Protective Suits Are Called MOPP Suits. |
| POC | Point Of Contact |
| DD | Destroyer (Navy Ship); Defense Department (see Department Of Defense) |
| EFP | Explosively-Formed Projectile |
| HQ | Headquarters |
| BRM | Basic Rifle Marksmanship |
| 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. |
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