| Acronym | Meaning |
| IPD | Information Processing Division |
| SSTC | Space Shuttle Test Conductor |
| MTC | Manual Traffic Control |
| GITG | Ground Interface Technical Group |
| N/P | Not Provided |
| DL | DeveloPment-Left |
| SHLDR | Shoulder |
| DP/DT | Delta Pressure/delta Time |
| SIE | Shuttle Interface Equipment Services |
| ICCP | Interface Coordination And Control Procedure |