
WASHINGTON — Defense Secretary Jim Mattis has ordered the Pentagon to launch a review on how to save costs on the F-35 Joint Strike Fighter program, the Pentagon’s most costly weapons-buying effort in history. Mattis’ memo, sent on Thursday, also calls on the military to determine whether the F-18 fighter can be modified to provide a “cost-effective fighter aircraft alternative.” The Defense chief also directed the Pentagon to look for ways to save money for the Presidential Aircraft Recapitalization program, which is responsible for developing a replacement for the current presidential aircraft, which goes by the call sign Air Force One when the president is aboard. President Trump has blasted ...