The US Air Force awarded Boeing a $2.6 billion contract for 15 KC-46A tanker aircraft, spares, support equipment, spare engines and wing air refuelling pod kits. With this fifth production lot, the industry now is on contract for 67 KC-46 tankers.The company received its first two production lots, for 7 and 12 airplanes, in August 2016. The third lot, for 15 ones, was awarded in January 2017; the fourth...