A Toy of National Security
Admirala Hyman Rickover, who is sometimes called the " Father of the Nuclear Navy," complained once in 1961 that a plastic toy which was modeled after the real American Polaris submarine had given the Russians excellent intelligence on her design.
A toy? Really?
Can't say I blame his paranoia. Only twenty years earlier, the type of weapons that could wipe out all life on Earth had not been invented, and here the world was, in a arms race between two super powers, who were bent on having the most of these weapons and the ability to destroy the world ten times over.