Yes, it is genetic. Our people have always been more athletic because of the circumstances that our ancestors were forced to be apart of as well as the conditions in which they had to live. Which makes us more stronger and able to endure longer.
im joinin the Corp..an yea go Navy or Army man...you want to do college an use a rifle an be kinda cool..join Army..just want to study AirForce.. want to be a badass/pussymagnet/best shape/respect/ cALLED CRAZY?? Marine Corps!!