In Argentina the Gendarmería Nacional Argentina (GNA, Argentina National Gendarmerie) can act as border patrol forces, defending and patrolling the land frontiers, antiterrorism, VIP escort missions, hostage situations and special military operations in war times (when the GNA is attached to the Argentine Army) with their 601st Special Operations Squadron "Alacran", which took part in the Falkland/Malvinas conflict. Also the GNA is responsible for key facilities (such as nuclear facilities) and government building protection and recovery in case of criminal or enemy activities, counter-narcotraffic operations, internal security reinforcement of other provincial and federal security forces, pacification, smuggling control, road controls on federal highways, and counter-sedition activities under martial law.