After a major uptick in foreign military sales last year, the Air Force expects to make even more deals moving forward, in large part driven by increased demand for fourth-generation aircraft. The total value of the Air Force's international arms sales jumped more than 50% from fiscal year 2018 to FY-19, and Brig. Gen. Matthew Isler, the service's director of regional affairs, said in a recent interview that he expects more requests for F-15 and F-16 fighter jets to fuel...