What You Need to Know: The U.S. Army Intelligence Support Activity (ISA), or “The Activity,” is one of America’s most secretive special operations units. Created in 1981 after the failed Operation ...
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Most Secretive US Military Group (that we know of)
The Intelligence Support Activity or ISA is one of the most secretive groups in the entire US Military. The Pentagon frequently disavows knowledge regarding their activities or even their existence, ...
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