Centro de Instrução de Guerra na Selva (CIGS), also known as the Colonel Jorge Teixeira Centre, is a military organisation based in Manaus, intended to qualify military leaders of small groups, as wilderness warriors, fighters able to accomplish military nature missions in the most inhospitable areas of the Brazilian rainforest. Courses are taught in jungle operations scenery in different categories – Senior Officers, Officers, Senior Non-Commissioned Officers, Non-Commissioned Officers, Medical and Health Care Personnel, and small courses for the military, police forces and civilians. Its symbol is the jaguar. The Jungle Warfare Training Center (CIGS) is structured as Department of Education, a Department of Doctrine and Research, a Student Division, a Department of Veterinary Medicine, a Department of Administration and a Support Company. Although officers and NCOs from all over Brazil can apply to take courses at CIGS, most of the troopers that support training are locals, natives from the area that are mainly privates and corporals. Because they are adapted to the conditions of the life inside the forest, they are more capable of performing a vast array of activities, such as hunting, hiding and moving through the forest with ease. Many foreigners and Brazilian military personnel that underwent training at CIGS have described the impressive abilities shown by these soldiers during operations. Their experience and skills in jungle survival certainly help shaping the Brazilian Jungle Warfare Brigades into deadliest units of its kind in the world. The Brigades also have experience in combat. Engaged in protecting the northern borders of Brazil, the troops are constantly exposed to attacks from border countries' guerrillas, drug dealers, and criminals of all kinds. The Brazilian Army commonly acts along with other law enforcement organisations in order to fight not only the drugs trafficking, but also animals, weapons, people and several other illegal deeds. Paratroopers Brigade The Paratroopers Brigade is a major elite unit of the Brazilian Army. Its headquarters is located in Vila Militar, in the city of Rio de Janeiro. Subordinate to the Eastern Military Command, based in Rio de Janeiro, in conjunction with the Land Operations Command, based in Brasilia. The brigade is one of the elite forces of the Brazilian Army prepared to act on within 48 hours anywhere in the country, is in the jungle, savanna, marsh and mountain, and remain without logistical support for up to 72 hours, being able to parachute jump quickly to the frontlines