| Acronym | Meaning |
| IOB | InPut/Output Box |
| SILTS | Shuttle Infrared Leeside Temperature Sensing |
| CRD | Change Request Disposition |
| IDD | Interface Definition Document(s) |
| IGN | Ignition |
| TPM | Technical Performance Measurement (System) |
| CPSS | Cold Plate Support Structure |
| MS | Mission SPecialist |
| EHP | Electrical Horsepower |
| N | Newton |