| Acronym | Meaning |
| TD | Touch Down |
| TPSE | Thermal Protection Subsystem Experiments |
| SUMC | Space Ultrareliable Modular Computer |
| GATT | Gate Assisted Turnoff Thyristor |
| SAS | StabilitY Augmentation SubsYstem |
| NWT | Nonwatertight |
| PSIA | Pound Per Square Inch Absolute |
| ESMC | ETR |
| SXT | Sextant |
| UDOP | Ultrahigh Doppler |