| Acronym | Meaning |
| MCO | Mission Control Operations |
| PWB | Printed Wire Board |
| LCUG | Liquid Cooling Under Garment |
| IGSE | In-Space Ground SUPPort Equipment |
| DP | Double Pole |
| OS | OPtics Subsystem |
| PCC | Payload Control And Checkout |
| NAEC | Naval Air Engineering Center |
| FBS | Firefighters Breathing System |
| IGOR | Intercept Ground OPtical Recorder |