| Acronym | Meaning |
 | MO | Major Objective |
| DRL | Document Requirements List |
| UPP | User Parameter Processing |
| GPBIM | General Purpose Buffer Interface Module |
| PA | Product Assurance |
| R | Roentgen |
| SAAC | Schedule Allocation And Control |
| RCDR | Recorder |
| EMS | Electromagnetic Susceptibility |
| EXT | Experiment Terminal (Operator Console On Spacelab) |
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