This "couture" outfit from the Office of Technical Readiness allowed spies to munch on canapes and dance a waltz while still snapping surreptitious pics and recording cocktail chatter.

Over the years, it's been called a weather-control machine, a superweapon and the ultimate underground spying machine. As if creating artificial aurora borealis wasn't freaky enough.

Instead America supported a less ambitious treaty that relied on “national means and measures” (spy satellites and the like), which few others have.