Senior Airman Anthony Felix, 63rd Aircraft Maintenance Unit crew chief, right, and Airman 1st Class Blayne Exline, 63rd AMU assistant dedicated crew chief, showcase the F-35A Lightning II Oct. 28, 2017, to retirees at Luke Air Force Base. During the Retiree Appreciation Day event, system-matter experts were placed around an F-35 and F-16 Fighting Falcon static displays to answer the retirees’ questions.