| Acronym | Meaning |
| NCC | NASA Class Code |
| M | LcsManagement Information And Control System |
| DMS | Dynamic Motion Simulator |
| MIT | Master InstructionTape |
| CRW | Control Read/Write |
| PROP | Propellant |
| SEOS | Synchronous Earth Observation Satellite |
| FSSR | Flight Systems Software Requirements |
| PETS | P/L Experiment Test System (KSC) |
| GCTS | Ground Communication(s) Tracking System |