| Acronym | Meaning |
| DCYSC | Discovery Channel Young Scientist Challenge |
| BBN | Bolt |
| W/O | Without: Software W/o Documentation |
| TMR | Twin Main Rotors (helicopter Type) |
| CBRN | Chemical |
| BFR | Brominated Flame Retardant |
| AFS&A OR AFSA | U.S. Air Force Studies And Analysis |
| INTERFET | International Force For East Timor |
| GMFSC | Ground Mobile Forces Satellite Communications |
| WY | Wyoming (postal Symbol) |