1) Estimates as to exactly how much vary from source to source, but most sources place the number around one third.2) This new Constitution did, however, provide for the Emperor to remain as a "symbol of state" much like the Queen of England (a ruling figure without any actual power).
3) CDR Munson is a nuclear trained officer and physicist with twenty years of experience in the field.
4) Article 9 of the Japanese Constitution (David Krieger)
5) North Korea,China, and Russia.