Boeing has been breaking records with the 787 outsource so it's a bit much to wrap themselves in the flag about KC-767.
it is a bit "pot calling the kettle black" isn't it
here's an article on the subject, seems some 767 assemblies are also made in japan
http://www.custac.buffalo.edu/docs/O...nalPaper30.pdf
Asigning a nationality to a modern airliner is almost as much of a nonsense as doing the same with a car these days
Your right hand drive VW.............built in South Africa
Porsche Boxter...........Finland