U.S. Army Master Sgt. Joe Medrano, a senior military instructor for Clemson University’s Reserve Officers' Training Corps program from Presidio, Texas, watches as a cadet launches - blindfolded and carrying an M16 - from a five-meter diving board into a pool during the Combat Water Survival Test, Jan. 28, 2016. (U.S. Army photo by Staff Sgt. Ken Scar)