Intelligence Support Activity

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The Intelligence Support Activity (ISA), also known at various times as Mission Support Activity (MSA), Office of Military Support (OMS), Field Operations Group (FOG), Studies and Analysis Activity (SAA), Tactical Concept Activity, Tactical Support Team, Tactical Coordination Detachment, and also nicknamed "The Activity" and the "Army of Northern Virginia", is a United States Army special operations unit which serves as the field military intelligence gathering component of Joint Special Operations Command (JSOC). Within JSOC, the unit is often referred to as Task Force Orange. Originally subordinated to the United States Army Intelligence and Security Command (INSCOM), it is one of the least known intelligence components of the United States military, tasked with clandestine human intelligence operations and collecting actionable intelligence during or prior to JSOC missions. The Activity and its counterparts the Regimental Reconnaissance Company (RRC), Delta Force, DEVGRU, and the...

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