Tech. Sgt. James MacKay and his daughter, Staff Sgt. Amanda MacFarlane, 433rd Training Squadron military training instructors (MTI), pose for a photo on March 27, 2015, at Joint Base San Antonio-Lackland, Texas. MacKay and MacFarlane are the first father and daughter duo serving as MTIs at the same time. (U.S. Air Force photo/Benjamin Faske)