| Acronym | Meaning |
| PCA | Physical Configuration Audit |
| AMP | Advanced Machining Program |
| TIME | Thermosphere-ionosphere-mesosphere-electrodynamics |
| PMS | Particle Measuring System |
| EMP | Electromagnetic Pulse |
| CCOPE | Cooperative Convective Precipitation Experiment |
| MSCP | Mass Store Control Processor |
| HIRDLS | High-Resolution Dynamics Limb Sounder |
| NESC | National Energy Software Corporation |
| MAYPOLE | May Polarization Experiment |