| Acronym | Meaning |
| SSC | Safe |
| RTT | Round Trip Timing |
| RAMARK | RAdar MARKer |
| GIS | Geographic Information System -Google Image Serach |
| SIMP | Strongly Interacting Massive Particle |
| EMP | ElectroMagnetic Pulse |
| NRAO | National Radio Astronomy Observatory |
| YH | Yottahenry |
| ILO | International Labour Organization |
| FOC | Full Operational Capability |