| Acronym | Meaning |
 | APC | 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 (l |
| TACSOP | TACtical Standard Operation Procedure. The ?game-plan? That Units Follow When Conducting Tactical Operations. Similar To Sports Team And ?secret? Plays |
| CBR | Chemical-Biological-Radiological (see NBC); Charger Battery Relay |
| AAFES | Army And Air Force Exchange Service |
| ACU | Army Combat Uniform; Assault Craft Unit; Annunciator Control Unit; Automatic Calling Unit; Administrative Control Unit |
| HAHO | 'High-Altitude High-Opening Parachute Technique (type Of Parachute Jump |
| OCR | Office (Officer) Of Co-Responsibility |
| OLC | Oak-Leaf Cluster (signifying Subsequent Awards) |
| BRM | Basic Rifle Marksmanship |
| CWO | Chief Warrant Officer; Communications Watch Officer |
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