| Acronym | Meaning |
| SEM | System Engineering Management |
| NDE | Nondestructive Evaluation |
| DFRN | Differential |
| TVTA | Thermal Vacuum Test Article |
| ICF | Interface Control Function |
| MEE | Mission Essential Equipment |
| IDTA | Interdivisional Technical Agreement |
| QATT | Qualification For Acceptance Thermal Testing |
| OFT | Orbital Flight Test |
| DTS | Data Transmission System |