Vindman and his brother are the 493rd and 494th people to leave the Trump administration since the beginning.

Full list https://docs.google.com/spreadsheets/d/1qw7uAkCag7FPX6qI9pBAAzi1a4sgyD3k5xvleIOwL-s/edit?usp=sharing

An analysis and comparison to past administrations can be found on /r/45chaos. Here are some charts showing the departures per year and per department/agency.

Source that his brother was fired, too.

Edit: Ambassador to the EU Gordon Sondland, who also testified in the impeachment inquiry, has just been fired. That makes 495 departures since the beginning.

Edit 2: Don Jr. admits the truth of the matter

>Allow me a moment to thank—and this may be a bit of a surprise—Adam Schiff. Were it not for his crack investigation skills, @realDonaldTrump might have had a tougher time unearthing who all needed to be fired. Thanks, Adam! 🤣 #FullOfSchiff

https://twitter.com/DonaldJTrumpJr/status/1225941861765918720?s=19

- DonaldJTrumpJr