| Acronym | Meaning |
| CLI | Command Line Interface/Interpreter |
| PTAN | Precision Terrain Aided Navigation |
| MARC | MAchine Readable Cataloging (often Also Defined As MAchine Readable Code) |
| DS | Darmstadtium |
| ASD(FMP) | (U.S.) Assistant Secretary Of Defense (Force Management Policy) |
| TALES | Technical Advice And Lexicon For Enabling Simulation |
| LTG | Lieutenant General -Lightning (METAR Code) |
| ASD | (U.S.) Assistant Secretary Of Defense - Autism Spectrum Disorder |
| FY | West Frisian Language (ISO 639-1 Code) |
| ZS | Zettasecond |