U.S. Air Force Staff Sgt. Brendan Brustad, 509th Medical Support Squadron NCO in charge of medical contracting, prepares to run his 161 miles May 19, 2015, at Whiteman Air Force Base, Mo. Brustad wore a shirt displaying the number “161” which honors the 161 lives that were lost in Joplin, Mo., after an EF5 tornado struck the town on May 22, 2011. (U.S. Air Force photo by Senior Airman Joel Pfiester/Released)