| Acronym | Meaning |
| BDC | Bi-Directional Converter |
| TPSE | Thermal Protection Subsystem Experiments |
| RFI | Remote File Inquiry |
| CAL | Cornell Aeronautical Laboratory |
| PHA | Preliminary Hazard Analyses |
| SATS | Small Applications Technology Satellite |
| VY | Velocity Along The Y-Axis |
| CCA | Contract Change Authorization |
| EVO | Engineering Verification Order |
| EPC | External Power Contractor |