| Acronym | Meaning |
| IUE | Interface Unit Error Count Table |
| PICRS | Program Information Control And Retrieval System |
| OCO | Open-Close-Open |
| MPM | Manipulator Positioning Mechanism |
| CSR | Certification Status Report |
| LC | Intercommunications |
| IVE | Interface Verification EquiPr-nent |
| MG | Milligram |
| SSUS | Spinning Solid Upper Stage |
| SLN | ERNO SPacelab Payload |