| Acronym | Meaning |
| ICTC | Interface Control Tool Ing |
| INTVL | Interval |
| MFMR | Multifrequency Microwave Radiometer |
| MHSC | Manipulator Handset Controller |
| CRAS | Cost Reduction Alternative Study |
| GYROA | Gyro A |
| FPM | Feet Per Minute |
| HEGV | Helium Gage Valve |
| RTCC | Real-Time Command Controller |
| TPM | Technical Performance Measurement (System) |