| Acronym | Meaning |
| ADDNS | Advanced Deployable Day/Night Simulation |
| UPTN | Universal Personal Telecommunications Number - Upper Peninsula Telehealth Network |
| SC | Cruiser Submarine (US Navy Hull Classification) - Saint Kitts And Nevis (FIPS 10-4 Country Code; From Saint Christopher) - Seychelles (ISO 3166 Digram) - South Carolina (postal Symbol) |
| CARE | Community Database On Accidents On The Roads In Europe -Cooperative For Aid And Relief Everywhere (originally Cooperative For American Remittances To Europe) |
| EPGS | EOS Polar Ground Sites |
| RSI | Repetitive Strain Injury |
| BMDO | (U.S.) Ballistic Missile Defense Organization (bim-do) |
| TMP | East Timor (ISO 3166 Trigram; Obsolete 2002) -Temporary |
| ICES | International Council For The Explorationof The Seas |
| YMCA | Young Men's Christian Association |