| Acronym | Meaning |
| ASP | Alarms And Shutdown Process |
| NPS | Numerical Product Service |
| NAR | Nonadvocacy Review |
| TOM | Trunk Operations Monitor |
| DTC | Distance Traveled Count |
| GWEN | Ground Wave Emergency Network |
| HIS | High-resolution Interferometer Sounder |
| LANL | Los Alamos National Laboratory |
| EERU | Environmental Emergency Response Unit |
| LAGEOS-2 | Laser Geodynamics Satellite-2 |