| Acronym | Meaning |
| PLSS | Portable Life Support System |
| FLT | Flight |
| N02 | Nitrogen Dioxide |
| TALAR | Tactical Approach And Landing Radar |
| NAP | Navigation Analysis Program |
| RPL | Rated Power Level |
| GP | Group |
| PVA | Propellant Valve Actuator |
| OIA | Orbiter Interface Adapter |
| HAST | High Altitude Supersonic Target |