| Acronym | Meaning |
| LDT | Linear Displacement Transducer |
| RSF | Refurbishment And Subassembly Facilities |
| O&M | Operation And Maintenance |
| CS | Consumables Status |
| LVLH | Local Vertical/Local Horizontal |
| STT | Spacelab Transfer Tunnel |
| PTP | Point-to-Point Phone(s) |
| IPS | Inertial Reference Integrating Gyro |
| EVF | Equipment Visibility File |
| PDL | Program Design Language |