| Acronym | Meaning |
| LUT | Limited User Test(ing) - Local User Terminal |
| WSW | West South-West |
| AIRFA | American Indian Religious Freedom Act |
| KZ | Kazakhstan (FIPS 10-4 Country Code; ISO 3166 Digram) |
| MMCM | Machinist's Mate |
| DAWN | (U.S.) Drug Abuse Warning Network |
| ZK | Zeptokelvin |
| GUY | Guyana (ISO 3166 Trigram) |
| RS | Russia (FIPS 10-4 Country Code) |
| SSV | Soft-Skinned Vehicle (i.e |