| Acronym | Meaning |
| DMC | Direct Maintenance Cost |
| LBNPD | Lower Body Negative Pressure Device |
| HPPF | Horizontal Payloads Processing Facility |
| VP | Shuttle Payloads (KSC VO Dir. |
| VDD | Version Description Document |
| FCI | Functional Configuration Identification |
| STADAN | Space Tracking And Data Acquisition Network |
| SEC | Sequential Events Controller |
| PSI | Pounds Per Square Inch |
| VAC | Vacuum |