almost a ton of cocaine, was discovered on board the Cessna; the aircraft's two occupants attempted a ground escape before being arrested by federal police in Pimenta Bueno. Operation Ágata On 5 August 2011, Brazil started Operation Ágata, part of a major "Frontiers Strategic Plan" launched in June, with almost 30 continuous days of rigorous military activity in the region of Brazil's border with Colombia; it mobilized 35 aircraft and more than 3,000 military personnel of the Brazilian Army, Brazilian Navy, and Brazilian Air Force surveillance against drug trafficking, illegal mining and logging, and trafficking of wild animals. A-29s of 1 / 3º Aviation Group (GAV), Squadron Scorpion, launched a strike upon an illicit airstrip, deploying eight 230 kg (500 lb) computer-guided Mk 82 bombs to render the airstrip unusable. Multiple RQ-450 UAVs were assigned for night operations, locating remote jungle airstrips used by drug smuggling gangs along the border. The UAVs were typically guarded by several E-99 aircraft. The RQ-450 surveillance aircraft located targets for the A-29 Super Tucanos, allowing them to bomb the airstrips with an extremely high level of accuracy, making use of night vision systems and computer systems calculating the impact points of munitions. Operation Ágata 2 On 15 September 2011, Brazil launched the Operation Ágata 2 on the borders with Uruguay, Argentina, and Paraguay. Part of this border is the infamous Triple Frontier. A-29s from Maringá, Dourados, and Campo Grande, and Brazilian upgraded Northrop F-5 Tiger II/F-5EMs from Canoas, intercepted a total of 33 aircraft during Operation Ágata 2 in this area. Brazilian forces seized 62 tons of narcotics, made 3,000 arrests, and destroyed three illicit airstrips, while over 650 tons of weapons and explosives have been seized. Operation Ágata 3 On 22 November 2011, Brazil launched the Operation Ágata 3 on the borders with Bolivia, Peru, and Paraguay. It involved 6,500 personnel, backed by 10 ships and 200 land patrol vehicles, in addition to 70 aircraft, including fighter, transport, and reconnaissance aircraft. This was the largest Brazilian coordinated action involving the Army, Navy, and Air Force against illegal trafficking and organized crime, along a border strip of almost 7,000 km. A-1 (AMX), Northrop F-5 Tiger II/ F-5EM and A-29 Super Tucanos from Tabatinga, Campo Grande, Cuiabá, Vilhena, and Porto Velho were employed in defending air space, supported by airborne early warning and control E-99, equipped with a 450-km-range radar capable of detecting low-flying aircraft,