| Acronym | Meaning |
| EL | End Item |
| SUM | Summary |
| DCS | Display And Control System |
| BAC | Booster Assembly Contractor |
| PGU | Plant Growth Unit |
| OLDB | On-Line Data Bank |
| GTS | GN&C Test Station |
| CLS | Contingency Landing Site(s) |
| NAM | National Association Of Manufacturers |
| SIMR | Systems Integration Management Review |