US Air Force Lt. Col. Leonard Kearl made the 100th flight of AF-1 at Edwards AFB, California. The 1.3-hour mission of this F-35A included testing weapon bay door flying qualities and conducting 360-degree rolls at various speeds and altitudes. The flight also explored inverted test points at negative g’s to evaluate the fuel system. AF-1 has logged 178 total flight hours in its first 100 flights.