| Acronym | Meaning |
| EDF | Exploratory Development Facility |
| M | Milli |
| GGS | Global Geospace Science Program |
| LSA | Logistics Support Analysis |
| VELORT | Very Long Range Tracking |
| PRECP | Program On Nonlinearity Of Acid Precipitation Process |
| APT | Accelerator Production Of Tritium |
| SEL | Space Environment Laboratory |
| CBO | Congressional Budget Office |
| TVU | Television Unit |