| Acronym | Meaning |
| CIS | Contractor's Information Submittal |
| PROG | Program |
| SSPC | Spacelab Stored Program Command |
| HD | Horizontal Drain |
| OCF | Orbiter Computational Facilities |
| SDRD | SuPplier Data Requirements Description |
| HAS | Hydraulic Actuation System |
| MO | Manual Orientation |
| DMS | Data Management System |
| HIGH | PressuHigh Pressure |