Swimming and spending time in water contaminated with feces ... "And some might argue that this is Navy SEAL training. You have to go through the toughest conditions to be able to survive and make it.

It’s designed to “test your overall physical readiness,” according to the Navy SEALs website, and consists of a swim, push-ups ... BUD/S preparation and training have to take a test more ...

and the rest of the primary cast—went through a boot camp run by Navy SEALs. The actors did a little of everything: grueling bodyweight workouts, outdoor endurance training, hikes through rivers ...

Swimming and spending time in water contaminated ... "And some might argue that this is Navy SEAL training. You have to go through the toughest conditions to be able to survive and make it.