| Acronym | Meaning |
| SBAS | S-Band AntennaSwitch |
| PACC | Problem Action Control Center |
| CST | Crew Systems Trainer (One-G Trainer) |
| PC | Project Control |
| PMT | Planning/ManagementTeam |
| PSM | Propellant Storage Module |
| EPO | Element Project Office |
| SSPDS | Space Shuttle Payload Data Study |
| SOL | Solar |
| SAM | SAMSShuttle Attachment ManiPulator SYstem |