This navy pilot drew a penis in the sky with a F18:
https://www.washingtonpost.com/news/checkpoint/wp/2017/11/17/a-navy-pilot-drew-a-penis-in-the-sky-its-not-the-first-time-something-like-this-has-been-investigated/?utm_term=.7f2f002a464c
Is this more or less severe than swearing in your code comments (like I've seen in the source code of the IS supporting all the courts of a certain European country)?
For me the severity varies (I won't tell you which one I consider more severe) but both show a dispicable lack of...
Professionalism.
Hope you agree.