| Acronym | Meaning |
| PRM | Personnel Readiness Management |
| TOT | Time On Target |
| EMP | ElectroMagnetic Pulse |
| LOS | Line Of Sight |
| EU | Europa Island (FIPS 10-4 Country Code) -European Union |
| PSC | Primary Somatosensory Cortex |
| DS | Dear Son (increasingly Prevalent On Social Mailing Lists |
| ARM | Anti-Radiation Missile -Armenia (ISO 3166 Trigram) |
| TP | East Timor (ISO 3166 Digram; Obsolete 2002) - S?o Tom? And PrĀncipe (FIPS 10-4 Country Code) -Training Practice |
| TWAIN | Technology Without An Interesting Name |