| Acronym | Meaning |
| TWIP | Take What Insurance Pays - When A Surgeon Agrees To Accept A Lower Payment Than He Ordinarily Would For A Procedure And Not Charge The Patient The Difference |
| GORP | Granola |
| OJT | On-the-Job Training |
| AF | Afghanistan (FIPS 10-4 Country Code; ISO 3166 Digram) -Air Force |
| WEBS | Weapon Effectiveness Battle Simulation |
| USB | Universal Serial Bus |
| ACC | U.S. Air Combat Command - Air Component Commander - Altocumulus Castellanus - Atlantic Coast Conference - Automatic Climate Control - Area Control Center |
| ISF | Internal Security Force |
| FE | Iron (Latin Ferrum) |
| PAPI | Precision Approach Path Indicator (aviation) |