| Acronym | Meaning |
 | SSK | Hunter-Killer Submarine (retired US Navy Hull Classification) |
| TRAP | Tactical Receive Equipment And Related Applications |
| DTLOMS | Doctrine |
| BNSF | Burlington Northern Santa Fe |
| RON | Romanian New Leu (ISO 4217 Currency Code) |
| RO | Range Only - Red Orchestra -Romania (ISO 3166 And FIPS 10-4 Country Code Digram) |
| BPM | Beats Per Minute |
| MR | Mauritania (FIPS 10-4 Country Code; ISO 3166 Digram) |
| KX | Cayman Airways (IATA Airline Designator) |
| DRC | Democratic Republic Of The Congo |
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