This is the first glimpse of America's most secretive spy plane

The Pentagon is unflinchingly tight-lipped about any new, high tech planes it has in the works. But every so often, a bit of information manages to squeak out into the public domain. In 2013, the U.S. Air Force sent a secret spy plane out over the Pacific region. The unknown aircraft — possibly a drone — flew "national collection missions" — a euphemism for strategic intelligence against states like North Korea or China.

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