| Acronym | Meaning |
| PEN | Peruvian Sol (ISO 4217 Currency Code) -PolyEthylene Naphthalate |
| FOC | Full Operational Capability |
| UG | Uyghur Language (ISO 639-1 Code) |
| RSS | Really Simple Syndication |
| CDIAC | Carbon Dioxide Information Analysis Center (see-dee-ack) |
| P | Peta - Phosphorus |
| USAF | United States Air Force |
| GOP | Grand Old Party |
| CVR | Cockpit Voice Recorder - Combat Vehicle Reconnaissance |
| WTH | What The Hell |