Navy SEAL trainees bounce off the bottom of the tank to catch their breath during the Drown Proofing Test at the Combat Training Tank. The trainees have their feet and hands tied and once freed they swim to safety. Death is one hell of a motivator!
NaNoWriMo-Training Lean, Mean, Writing Machines - Kristen Lamb
4 Ways to Accquire Navy Seals’ Mental Toughness.