| Acronym | Meaning |
| CRDP | Computer Resources Development Plan |
| SE | Support EquiPment |
| S/F | Single Flow |
| MIN | Minute |
| G | IWG Ground Interface Working Group |
| GIA | GPC Interface Adapter |
| OCR | Optical Character Recognition |
| SESC | Shuttle Events Sequential Control |
| TSAC | Tracking System Analytical Calibration |
| DDT&E | Design |