| Acronym | Meaning |
| PRS | PrimaryRecoverySite |
| PRD | Procurement Regulation Directive |
| HSP | Health Stabilization Program |
| IDE | Initial Design Evaluation |
| SS | Space Shuttle |
| ODR | OutPut Data Redundancy |
| SDP | Site Data Processor |
| FSS | Field Spectrometer System |
| IOB | InPut/Output Buffer |
| ROS | Removable Overhead Structure |