| Acronym | Meaning |
| OA | Operational Aft (DSC Or MOM) |
| SBC | SpeedBrakeCommand |
| OCD | Operational Capability Development |
| CSC | Computer Sciences Corporation |
| O&C | Operations And Checkout |
| DK | Docking |
| IPS | IsInstallation Support |
| PSF | Processing And Staging Facility (SRB) |
| TDRS | Tracking And Data Relay Satellite |
| HI | Honeywell |