Unité Spéciale – Garde Nationale
The National Guard Special Unit, commonly abbreviated USGN (), is the police tactical unit of the Tunisian National Guard. USGN is trained to rescue citizens and allies who are held by a hostile force domestically or foreign, either criminal or terrorist. USGN’s purpose is to serve as the Tunisian governments premier counter-terrorism unit, offering a tactical resolution option in hostage and high-risk law enforcement situations. USGN functions as a national tactical team in highly sensitive or dangerous situations. History
This 50 man force was established in the early 1980s and is broken down into two operational sections and a headquarters element. Based in Hammamet, they have responsibility for CT operations at government and diplomatic buildings, aircraft hijackings and maritime situations. In the event of a major operation, the U.S.G.N. would be reinforced by the Commandos Unit of the Garde National (National Guard's Commando Unit- U.C.G.N.). References

Non-military counterterrorist organizations
Military units and formations of Tunisia
Law enforcement agencies in Africa
Police tactical units
Law of Tunisia