EVERETT, WA -- As Boeing and the Air Force continue to work toward delivery of the first KC-46 tanker, the company is expecting a contract from the service this summer to explore future tanker capabilities. Boeing's KC-46 Program Manager Mike Gibbons told reporters May 3 during a tour of the company's modification center here that the contract's first task will be to help the service develop a five-year roadmap for upgrading the KC-46 and informing the capability plans for future...