| Acronym | Meaning |
| NJP | NNJP Network Job Processing |
| PI | PaYload Interrogator |
| EDS | Electrical Distribution System |
| PICS | Photo Index And Cataloging System |
| R/W | Read/Write |
| RCS | Reaction Control System (Subsystem) |
| SOCH | Spacelab Orbiter Common Hardware |
| OMET | Orbiter Mission Elapsed Time |
| SPO | Spare Parts Order |
| MRCR | Measurement Requirement Change Request |