Boeing's struggling Air Force tanker program now has more problems

Additional high-profile problems have cropped up with the Air Force's new tanker, the KC-46 Pegasus.
They add to other issues that have plagued the program, which is being developed by Boeing.
Boeing has already incurred billions in pretax costs because of delays and technical problems.
Boeing's KC-46 tanker program, long waylaid by technical issues, is now facing more "category one" deficiencies, adding to the problems the contractor has to fix and further endangering the tanker's delivery dead