At the Academy it has been less than a quarter for the last three military courses (that covers three years).
hahaha, mr. former navy officer.... remember a course in 2006 (seems to be within these 3 years), don't know the number right now, where 50% of the camouflaged didn't made it in the sim (of the academy).... the plight continued in the sim and in live traffic.
so, just to abandon the field, you're much more "deeper" in there
