| Acronym | Meaning |
| TRAC | (U.S. Army) TRADOC Analysis Center |
| FRA | Federal Railroad Administration -France (ISO 3166 Trigram) |
| LGS | Landsat Ground Station |
| LK | Sri Lanka (ISO 3166 Digram) |
| DRA | Defence Research Agency (UK |
| OM | Oman (ISO 3166 Digram) |
| QS | Quantum Sufficit (Latin |
| KS | Kashmiri Language (ISO 639-1 Code) - Kilosecond |
| MORS | Military Operations Research Society |
| MLK | Martin Luther King |