| Acronym | Meaning |
| GNCS | GuGNCSGuidance And Navi-oation Control System |
| D&C | DisplaY And Control (C&D Preferred) |
| N2H4 | Hydrazine |
| NASCOM | NASA Communications Network |
| GN2 | GaGN2Gaseous Nitrogen |
| PAF | Peak Annual Funding |
| EG | Entry Guidance |
| MSDS | Multispectral Scanner And Data System |
| R/W | Runway |
| HAL/S | High Order Assembly Language For Shuttle Flight |