| Acronym | Meaning |
 | RES | Reservoir |
 | SLEMU | SPacelab Engineering Model Unit |
 | PHA | Preliminary Hazard Analyses |
 | MRL | Manipulator Retention Latch |
 | R | ETSReconfigurable Electrical Test Stand |
 | MTP | Master Test Plan |
 | KBPS | Kilobits Per Second |
 | BP | C&MControl And Monitoring |
 | SCLM | Stability |
 | IGAX | Inner Gimbal Axis |