| Acronym | Meaning |
| SSPD | Shuttle System Payload Definition (Study) |
| K-SLN | KSC Spacelab Notice |
| CIS | Communications Interface System |
| LEB | Lower Equipment Bay |
| IGM | Interactive Guidance Mode |
| RSF | Receiving-Safing Facility |
| DCPEI | DEU Control Program End Item |
| MPP | Material Processing Procedure |
| ERTS | Earth Resources Technology Satellite |
| FA | Failure Analysis |