| Acronym | Meaning |
| LCCP | Light Contingency Communications Package |
| ETA | Estimated Time Of Arrival -Euzkadi Ta Azkatasuna (etta |
| MM | Millimetre |
| PAEK | PolyArylEtherKetone |
| ZG | Zeptogram |
| IZ | Iraq (FIPS 10-4 Country Code) |
| HMMWV | High Mobility Multipurpose Wheeled Vehicle (hum-vee; Hummer) |
| ZHO | Chinese Language (ISO 639-2 Code) |
| TI | Tigrinya Language (ISO 639-1 Code) |
| FS | Femtosecond |