| Acronym | Meaning |
| PISP | Polar Ice Sheet Program |
| AFASE | Association For Applied Solar Energy |
| RA | Radio Active |
| AOSP | Advanced Onboard Signal Processor |
| MHD | Magnetohydrodynamic |
| DAB | Defense Acquisition Board |
| FLOP | Floating Point Operations |
| JMOF | Joint Meteorological Observing Facility |
| O AND E | Operations And Equipment |
| PB | Product Of Polarization And Brightness |