On Saturday, June 6—the anniversary of D-Day—I completed the Spartan Race with Mended Swords LTD. This was perhaps the biggest physical challenge I have endured since I was medically evacuated back to the United States in August of 2013. This wasn’t just a race. Alongside our team, we carried Ralph Osterhoudt Sr.—a 100-year-old World War II veteran, Battle of the Bulge survivor, Purple Heart recipient, three-time Bronze Star recipient, recipient of the French Medal of Honor, and one of the first 30 American liberators to enter Auschwitz. We carried a living piece of history across that course in a chariot weighing in excess of 450 lbs. At times, when sheer fatigue took over, I would step in for those few minutes I could manage at a time to help carry that charioted war hero. We also carried a 120-pound litter draped with the American flag. It represented those who never made it home, those killed in action, those still missing in action, and those lost to the in...