| Acronym | Meaning |
 | SIS | SiMUlator Interface SYstem (SubsYstem) |
| MECA | Main Engine Controller Assembly |
| CHCS | Cabin Humidity Control Subsystem |
| OASCB | Orbiter Avionics Software Control Board |
| SYNCOM | Synchronous Communication Satellite (Hughes) |
| WMC | Waste Management Compartment |
| EL | Electronic Interface |
| MDR | Missing Data Report |
| N2H4 | Hydrazine |
| METRO | Meteorology |
Browse by Letter:
