The Undeclared War “History of Radio Intelligence” Part 5 of 8

The First Fleet was opposed to the Second Fleet in each exercise. They assisted our reconstruction of the “Blue Book” and gave us intercept material in the so called “minor” cryptographic systems. They disclosed that the complement of a Japanese naval vessel war from 150% to 200% that of an American vessel of the same size. Also that, in the matter of Training and preparation for war, the Japanese Navy was at least equal to our own.