Capt. Andrew “Dojo” Olson, F-35A Lightning II Demo Team commander and pilot, taxis after a demonstration practice, Jan. 23, 2019 at Luke Air Force Base, Ariz. (U.S. Air Force photo by Airman 1st Class Aspen Reid) These 3 high-profile DOD systems have persistent operational flaws, according to testing The annual report from the Department of Defense's chief weapons and systems tester highlighted major flaws in three major systems. Feb 1, 2019 By Billy Mitchell