| Acronym | Meaning |
| ACES | Acoustic Containerless Experiment System |
| EVLSS | Extravehicular Life Support System |
| TMU | Temperature Measurement Unit |
| HAD | Heat Actuated Device |
| QT | Qualification Test |
| MIT | Massachusetts Institut@ Of Technology (CSDL) |
| NAS | National Academy Of Sciences |
| TTL | Transistor-Transistor Logic |
| CMRR | Common Mode Rejection Ratio |
| IB | Instruction Book |