| Acronym | Meaning |
 | O/A | On Or About |
| CTA | Common Table Of Allowances |
| 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 |
| WO | Warning Order |
| HALO | High-Altitude Low-Opening Parachute Technique (type Of Parachute Jump |
| SME | Subject Matter Expert |
| IAW | In Accordance With |
| AAR | After-Action Review (formerly After-Action Report); Air-to-Air Receive; Air-to-Air Refueling; Aircraft Accident Report |
| CAB | Combat Aviation Brigade; Cabin; Centralized Accounting & Billing (Navy); Contract Adjustment Board; Cost Analysis Brief; Combat Action Badge |
| IBCT | Infantry Brigade Combat Team |
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