| Acronym | Meaning |
| REOD | Required |
| HPOTP | High Pressure Oxidizer Turbopump |
| NOMINAL | PerNominal Percent Defective |
| MADS | Modular Auxiliary Data Systems |
| ITS | Interim Teleprinter System |
| ECOS | Experiment Computer Operating System |
| P/L | Postlanding |
| GSEL | Ground Support Equipment List |
| MMAS | Material Management Accounting (Accountability) System |
| MED | Manual Entry Device |