| Acronym | Meaning |
| TRR | Test Readiness Review |
| HS | Horizon Sensor |
| ADSF | Advanced Directional Solidification Furnace |
| DA&D | Data Acquisition And Distribution |
| HAS | Hydraulic Actuation System |
| LHE | Liquid Helium |
| SIP | Strain Isolator Pad |
| PRC | PlanningResearchCorporation |
| OB | Onboard |
| ACES | Acoustic Containerless Experiment System |