The Intelligence Support Activity (ISA) is arguably the most secretive U.S. Military tier one unit in JSOC. The Intelligence Support Activity doesn’t get the limelight like Delta Force or SEAL Team ...
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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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