| Acronym | Meaning |
| URA | Urine Receptacle Assembly |
| RADCC | Radiation Control Center |
| DVS | Design Verification Specification |
| PO | Personnel Office (KSC Directorate) |
| GCL | Ground Coolant Loop |
| NIDS | NNIDSNetwork Interface Data System |
| MDR | Major Design Review |
| RM/MS&C | Redundancy Management/Moding |
| ST | Structural |
| EHC | Electrical Heating Control |