| Acronym | Meaning |
| SAS | StabilitY Augmentation SubsYstem |
| GPSS | General Purpose System Simulator |
| KCS | Keyboard Configuration Studies |
| CPCL | Computer Program Control Library |
| PDL | Pocket Dosimeter-Low |
| FOIH | Flight Operations Integration Handbook |
| SLS | Secondary Landing Site |
| MECR | Maintenance Engineering Change Request |
| HITS | High Rate Multiplexer InPut/Output Test System |
| MM | Millimeter |