| Acronym | Meaning |
| FPCA | Forward Power Control Assembly |
| CIU | Controller Interface Unit |
| GTS | GN&C Test Station |
| GUIDO | Guidance Officer |
| TIM | Technical Interchange Meeting |
| SACS | SADshuttle AuthorizedDocument |
| MSE | Maintenance Support Equipment |
| JURG | Joint Users Requirements Group |
| CCC | Controller Checkout Console |
| DRG | Digital Ranging Generator |