Capt. Joseph Walker, 62nd Fighter Squadron flight commander, shows Zach "Z-man" Anderson, 16, the F-35 pilot helmet during his tour of the 62nd Fighter Squadron at Luke Air Force Base, Ariz., April 7, 2016. Anderson received the tour as part of the pilot for a day program, which provides children who have serious or chronic illnesses an opportunity to be part of a flying squadron for an entire day. (U.S. Air Force photo by Senior Airman Devante Williams)