| Acronym | Meaning |
| VSO | Very Stable Oscillator |
| HO | Hydrogen-OxYgen |
| CPCL | Computer Program Control Library |
| PIGA | Pendulous Integrating Gyro Accelerometer |
| HGDS | Hazardous Gas Detection System |
| LVDT | Linear Variable Differential Transformer |
| OTT | Optional Team Targeting |
| CSDD | Control Systems DeveloPment Division (JSC) |
| MAT | Meteorological Atmospheric Turbulence |
| DK | Deck |