| Acronym | Meaning |
| RBE | Radiation Biological Effectiveness |
| CIT | Critical Item Tag |
| GSCU | Ground Service Cooling Unit |
| MCP | Monitoring And Control Panel |
| FSS | Fire Suppression System |
| ETA | Estimated Time To Acquisition |
| VVI | Vertical Velocity Indicator |
| RAU | Remote Acquisition Unit |
| PRSDS | Power Reactant Storage And Distribution System |
| RFP | Request For Proposal |