The U.S. State Department approved the sale to Poland of 32 F-35 Joint Strike Fighters and support at an estimated cost of $6.5 billion. The F-35s will replace the Polish air force’s Russia-designed MiG-29 and Su-22 fleet. The proposed order covers 32 of the conventional-takeoff-and-landing F-35A variants, with an estimated price tag of $6.5 billion...