The nominee for the long-vacant Air Force acquisition executive role is planning "a very deep-dive" look at the F-35 program, particularly in the area of sustainment. Will Roper, director of the Defense Department's strategic capabilities office and the nominee to fill the Air Force acquisition executive post, told lawmakers today his greatest concern about the F-35 is sustainment. "If the sustainment costs cannot be managed and lowered, then we could have a bow wave of cost and sustainment that would...