There's a guy in the US military intake processing facility (MEPS) whose job is, among other things, to inspect your bunghole

https://www.google.com/search?client=firefox-b-d&q=MEPS+assh...

But more serious and non joking answer, the new thing from the "department of war" is testosterone level lab exams for existing servicemembers.

https://news.google.com/search?q=US%20military%20testosteron...