| Acronym | Meaning |
| EGSE | Electrical Ground Support Equipment |
| OBS | Operational Biomed Sensors |
| FOSP | Flight Operations Support Personnel |
| TAC | Total Average Cost |
| IDB | Lnsuit Drink Bag |
| PSCN | Preliminary Specification Change Notice |
| MARS | Modular Airborne Recorder System |
| DEW | Distant Early Warning |
| DIDS | Defense Integrated Data System |
| SRSS | Shuttle Range Safety System |