| Acronym | Meaning |
| SLCA | ERNO Spacelab Contract Administration |
| LMSC | Lockheed Missiles And Space Corporation |
| CIR | Circulate |
| EXEC | Execute |
| LAT | Large Angle Torque |
| RSS | Range Safety System |
| FSL | Flight Simulation Laboratory |
| MM | Main Module |
| PLACE | Position Location Aircraft Communications |
| PLTS | Precision Laser Tracking System |