| Acronym | Meaning |
| TO | Technical Order |
| SIE | Shuttle Interface Equipment Services |
| INTERCHANGE | Interchangeability And Replacement |
| CTIS | Crawler Transporter Intercom System |
| TAM | Thermal Analytical Model |
| PAO | Public Affairs Office (Officer) |
| RAD | Roentgen Absorbed Dosage |
| SSPDS | Space Shuttle Payload Data Study |
| RDW | Return Data Words |
| PDI | Payload DePloyment And Retrieval System |