| Acronym | Meaning |
| MBB | Messerschmitt-Boklow-Blahn |
| HFCV | Helium Flow Control Valve |
| SL-SS | Spacelab Subsystems |
| SCL | Specification Change Log |
| SW | Sea Water |
| RECS | Representative Shuttle Environmental Control System |
| CPES | Crew Procedures Evaluation (Evaluator) Simulator |
| STA | RScientific And Technical Report |
| DADS | Dual Air Density Satellite |
| STA | RShuttle Turnaround AnalYsis Report |