| Acronym | Meaning |
| LUT | Limited User Test(ing) - Local User Terminal |
| NOAO | National Optical Astronomy Observatory |
| NAWC | U.S. Naval Air Warfare Center |
| ECS | Emergency Contact System - Enhanced Chip Set (computing) - EOSDIS Core System - Extended Chip Set (computing) |
| IPT | Integrated Product/Project Team |
| SCIFI | Science Fiction |
| EMU | Electric Multiple Unit - A Method Of Connecting Self-propelled Railway Vehicles Together To Form A Train Under The Control Of One Driver. |
| HMV | His Master's Voice |
| SOM | Somali Language (ISO 639-2 Code) |
| GRB | Gamma-Ray Burst |