U.S. Military Communities Stand on The Frontlines of America's Battle with PTSD Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email U.S. Army Sgt. Colton Levi Derr, who committed suicide on April 28th, 2012. ( Courtesy of Jerry Derr ) Produced by PRI and WNYC