| Acronym | Meaning |
| LST | Landing Ship |
| ENG | English Language (ISO 639-2 Code) |
| NA | Nanoampere |
| OS | Ossetic Language (ISO 639-1 Code) |
| BT | Bathythermograph -Bhutan (FIPS 10-4 Country Code; ISO 3166 Digram) - (ii) BitTorrent - (iii) British Telecommunications Plc |
| FAA | U.S. Federal Aviation Administration - Financial Aid Administrator - Fleet Air Arm - Functional Area Analysis |
| C/S/A | CINC |
| MOP | Macau Pataca (ISO 4217 Currency Code) -Measure Of Performance |
| MICLIC | Mine Clearing Line Charge |
| LSO | Lesotho (ISO 3166 Trigram) |