Intelligence Support Activity
United States Army Special Operations unit
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 24th Special Tactics Squadron (24th STS) are the U.S. military's special mission units, performing the most complex, classified, and dangerous missions as directed by the National Command Authority.
The unit is known by many names. USAISA was the official name of the unit from 1981 to 1989. It has also gone by a number of two-word special access program names, including OPTIMIZE TALENT, ROYAL CAPE, CENTRA SPIKE, CAPACITY GEAR, GRANTOR SHADOW, TORN VICTOR, QUIET ENABLE, OPAQUE LEAF, CEMETERY WIND, GRAY FOX, TITRANT RANGER, and INTREPID SPEAR.
History
Field Operations Group
The Field Operations Group (FOG) was created in the summer of 1980 in order to take part in a second attempt to rescue the U.S. hostages held in the Tehran embassy after the failure of the Operation Eagle Claw. That operation had highlighted the U.S. shortfall in intelligence gathering.
The Field Operations Group was under command of Colonel Jerry King and operated in Iran, accomplishing various covert intelligence gathering missions. The work accomplished by the FOG was successful, however the second attempt (called Operation Credible Sport) never took place because the air assets needed were not available.
“Intelligence Support Activity” enters the record as united States Army Special Operations unit. Crown Archives preserves that source wording while asking what Intelligence, Support and Activity can confirm, complicate or overturn.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 8, 2026. The linked authority identifier is Q643242. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1981, 1989 and 1980.
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This entry incorporates text from “Intelligence Support Activity” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.