| Acronym | Meaning |
| ERS | Earth RecoverySubsystem |
| DRD | Document Requirement Description |
| RFEI | Request For Engineering Information |
| SID | System Interface Document |
| CMS-2 | Cambridge Monitoring System (IBM Computer Program) |
| RPC | Remote Power Controller |
| STF | Structural Fatigue Test |
| SHP | Shaft HorsePower |
| DD | Mechanical And Facilities Engineering (KSC DE Dir.) |
| LSA | Logistics Support Analysis |