| Acronym | Meaning |
 | PKR | Pakistani Rupee (ISO 4217 Currency Code) |
| HAT | Haitian Creole Language (ISO 639-2 Code) |
| PJ | Picojoule |
| TI | Tajikistan (FIPS 10-4 Country Code) -Thermal Imaging - Threat Identification - Training Instructor |
| DCYSC | Discovery Channel Young Scientist Challenge |
| DCC | Dallas Christian College |
| NAVS | Non-Cooperative Airborne Vector Scoring |
| LRD | Liberian Dollar (ISO 4217 Currency Code) |
| SEP | Somebody Else's Problem - Spherical Error Probable - System Enhancement Package - System Engineering Plan |
| ZK | Zeptokelvin |
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