U.S. Army Lt. Gen. Kevin Mangum, Training and Doctrine Command deputy commanding general and chief of staff, speaks to a crowd of motorcycle riders during the Wounded Veteran Motorcycle Safety Ride at Fort Eustis, Va., May 21, 2014. Mangum spoke about remembering U.S. Service members during Memorial Day. (U.S. Air Force photo by Airman 1st Class Kimberly Nagle/Released)