| Abbreviation | Definition |
|---|---|
| USCGS | United States Coast Guard Ship |
| USCGS | United States Coast Guard Station |
| USCGS-B | United States Coast Guard Station - Boston |
| USCGS-FL | United States Coast Guard Station - Fort Lauderdale |
| USCGS-S | United States Coast Guard Station - Sabine |
| USCGT | United States Coast Guard Tug |
| USCGU | United States Coast Guard Unit |
| USCGV | United States Coast Guard Vessel |
| USCGY | United States Coast Guard Community |
| USCHA | United States Colored Heavy Artillery |
| USCINCCENT | Commander IN Chief United States Central Command |
| USCINCEUR | Commander IN Chief United States European Command |
| USCINCLANT | Commander IN Chief United States Atlantic Command |
| USCINCPAC | Commander IN Chief United States Pacific Command |
| USCINCSOC | Commander IN Chief United States Special Operations Command |
| USCINCSOUTH | Commander IN Chief United States Southern Command |
| USCINCSPACE | Commander IN Chief United States Space Command |
| USCINCSTRAT | Commander IN Chief United States Strategic Command |
| USCINCTRANS | Commander IN Chief United States Transportation Command |
| USCIS | US Citizenship and Immigration Services |