https://www.one-tab.com/page/X_gXGY9nRnekPR66NoMvJA https://www.one-tab.com/page/ISC9KZ_iSdWhbVK9H35ijw https://www.one-tab.com/page/2h4oobXJS8yScVrhA6EMNA
Nice to see @ryan using the SI based definition 
| Kármán line | 100 km | ~62 mi |
| US Military | ~81 km | 50 mi |
NASA decided in 2004 to use the 50 mi definition, “to eliminate any inconsistency between military and civilian pilots flying the same vehicle.”
https://www.nasa.gov/centers/dryden/news/X-Press/stories/2005/102105_Schneider.html
Some have argued to revise the Kármán line altitude to be much closer to the US Military definition:
There’s an immediate benefit for employees, as well, Carpenter maintains.
“Over the course of an eight-hour shift, they don’t have to repeat the same welcome language hundreds of times,” he said.
Why don’t they just use pre-recorded greetings?