| Acronym | Meaning |
| MDC | Modified Direct Costs |
| WRL | Willow Run Laboratories |
| OPLE | OMEGA Position And Location Experiment |
| WORMTOMS | WORM To Mass Storage System |
| NOARL | Naval Oceanographic And Atmospheric Research Laboratory |
| ASF | Alaska SAR Facility |
| AOSO | Advance Orbiting Solar Observatory |
| FE | Front-end |
| IERS | International Earth Rotation Service |
| CAS | Climate Analysis Section |