| Acronym | Meaning |
| MIO | Management Integration Office |
| OPIS | Orbiter Prime Item Specification |
| GPC | Gel Permeation Chromatograph |
| TP | Training Plan |
| BCP | Base Condemnation Percent |
| GCD | Gyrc)-Compass |
| SVDS | Space Vehicle Dynamic Simulator |
| RMS | Root-Mean-Square |
| HCU | Hydraulic Charging Unit |
| COIM | Checkout Interpreter (Software) Module |