| Acronym | Meaning |
 | FC | Fuel Cell |
| SSO | Subsystem Operation (in Spacelab) |
| IDSD | Institutional Data System Division (JSC) |
| INTERFACE | CInterface Control Drawing |
| PMIS | Personnel Management Information System |
| E | East |
| PBAN | Polybutadiene Acrylonitrile (Propellant) |
| HPOP | High Pressure Oxidizer Pump |
| MLS | Microwave Landing System |
| H | AlH AlHours |
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