SEAL Team Six
The United States Naval Special Warfare Development Group (NSWDG), commonly known as DEVGRU or Task Force Blue is a U.S. Navy component of Joint Special Operations Command. It is often referred to as SEAL Team Six or within JSOC as Task Force Blue. DEVGRU is administratively supported by Naval Special Warfare Command and operationally commanded by the Joint Special Operations Command. Most information concerning DEVGRU is classified and details of its activities are not usually commented on by either the White House or the Department of Defense. Despite the official name changes, "SEAL Team Six" remains the unit's widely recognized moniker. It is sometimes referred to in the U.S. media as a Special Mission Unit.
DEVGRU and its Army counterpart, Delta Force, are the United States military's premier counterterrorism units. Although DEVGRU was created as a maritime counterterrorism unit, it has become a multifunctional special operations unit with several roles that include high-risk personnel/hostage extractions and other specialized missions.
The Central Intelligence Agency's highly secretive Special Activities Division (SAD) and more specifically its elite Special Operations Group (SOG) often works with—and recruits—operators from DEVGRU. The combination of these units led ultimately to the killing of Al-Qaeda leader Osama bin Laden in Operation Neptune Spear.
The origins of DEVGRU are in SEAL Team Six, a unit created in the aftermath of Operation Eagle Claw. During the Iran hostage crisis in 1979, Richard Marcinko was one of two U.S. Navy representatives for a Joint Chiefs of Staff task force known as the TAT (Terrorist Action Team). The purpose of the TAT was to develop a plan to free the American hostages held in Iran. In the wake of the disaster at the Desert One base in Iran, the Navy saw the need for a full-time counter-terrorist unit, and tasked Marcinko with its design and development.
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