Hi, I found some acronyms/abbreviations in this post. This is how they expand:
| Acronym | Explanation |
| DSN | Deep Space Network |
| HEO | High Earth Orbit (above 35780km),Human Exploration and Operations (see HEOMD) |
| JPL | Jet Propulsion Lab, Pasadena, California |
| TLE | Two-Line Element dataset issued by NORAD |