| Acronym | Meaning |
| EM | ElectroMagnetism/ElectroMagnetic |
| WG | Working Group - Wade-Giles |
| DBF | Detection By Fire (weapon Launch Signature) |
| GM | Gigametre |
| AVI | Audio Video Icon |
| CSRC | Conflict Studies Research Centre |
| S/SSM | Surface-to-Subsurface Missile |
| LAAS | Local Area Augmentation System - Los Angeles Astronomical Society |
| UUID | Universally Unique Identifier (see Also GUID) |
| JY | Japanese Yen |