Two years after criticizing the Air Force's KC-46 tanker operational testing plan as completely unrealistic and "not executable," the Pentagon's top weapons tester has expressed his approval -- with some reservations -- of the service's testing proposal for the aircraft. According to the fiscal year 2013 annual report on Defense Department operational test and evaluation, signed by the Pentagon's OT&E director, Michael Gilmore, and obtained by InsideDefense.com , the Air Force's KC-46 operational test plan has a number of questionable...