| Acronym | Meaning |
| FOS | Florida Ornithological Society - Full Operational Status |
| XH | Xhosa Language (ISO 639-1 Code) |
| FWS | U.S. Fish And Wildlife Service |
| UGV | Unmanned Ground Vehicle |
| DBM | De Bellis Multitudinis (miniature Wargaming Rules) - Detection By Movement (military Target) |
| WG | Working Group - Wade-Giles |
| SPOD | Sea Port Of Debarkation |
| BAMC | Brooke Army Medical Center |
| OO | Object Oriented - Over & Out |
| PKI | Public Key Infrastructure (cryptography) |