| Acronym | Meaning |
| NLDS | National Lightning Detection System |
| BAPMON | Baseline Air Pollution Monitoring Network |
| STEM | Scanning-transmission Electron Microscope |
| RUCS | Rapid Update Cycle Surface |
| BFPQ | Block Floating Point Quantizer |
| ACL | Auxiliary Cooling Loop |
| ALPA | Airline Pilots Association |
| SGML | Standard Generalized Markup Language |
| JES | Job Entry System |
| PSOS | Profiler Surface Observing System |