As a career military person, I really have to wonder what your definition of "occasionally" is. It seems reprehensible that a leader would be smokin' dope while on active duty. I know it's happened in the past, but this ain't the 70s.
I also find it somewhat odd that a dope smoker would even make it to E-7, at least not since the 80s.
Furthermore...... BJJ is a just a Judo wanna-be sport.........