The Boston Marathon is a 26.2-mile race. But for a Marine, the last 100 yards were the toughest. Don.
What's your Tap Code?
U.S. Navy Lt. Cmdr. Jim Myers, the 15th Marine Expeditionary Unit chaplain, explains the 'Tap Code,' a secret communication code developed by U.S. prisoners of war during the Vietnam War as part of the unit’s resiliency training program, March 2018.