The Colombian Air Force (FAC, Spanish: Fuerza Aérea Colombiana) is the air force of the Republic of Colombia. The Colombian Air Force is one of the three institutions of the Military Forces of Colombia charged, according to the 1991 Constitution, working to exercise and maintain control of Colombia's airspace and to defend its sovereignty, territorial integrity and constitutional order. It is one of the largest air forces in the Americas (after the United States, Brazil and Peru) and has increased its activity due to important roles in the fight against narco-terrorism. Its main force includes 21 IAI Kfirs as defense fighters and 14 Cessna A-37 Dragonfly plus 24 Embraer 314 Super Tucano for counterinsurgency.