| Acronym | Meaning |
 | PDU | Pressure Distribution Unit |
| OMC | Orbiter Maintenance And Checkout |
| SECS | Shuttle Events Control |
| WWMS | Waste Water Management System |
| GPM | Gallons Per Minute |
| M&O | Maintenance And Operations |
| HT | High Technology |
| PALS | Precision Approach And Landing SYstem |
| MCC | Motor Control Center (JSC) |
| DMP | Deployable Maintenance Platform |
Browse by Letter:
