signed a peace agreement, there is concern about what will happen to the remnants of the group. One fear is that autonomous fronts will forge their own relationships with the cartels and continue the drug trade in a more dispersed manner. As of 2008 Plan Colombia's U.S.-funded military programs comprised: Army Aviation Brigade (2000–2008 cost: $844 million) This program is executed by the U.S. State and Defense departments. It equips and trains the helicopter units of the Colombian Army. It is subdivided into various specific programs. Plan Colombia Helicopter Program (PCHP) comprises helicopters provided for free by the U.S. government to the Colombian Army. The program needs 43 contract pilots and 87 contract mechanics to operate. 17 Bell UH-1N helicopters (Former Canadian aircraft bought via US gov ) 22 Bell UH-1H (Huey II) helicopters 13 Sikorsky UH-60L helicopters Foreign Military Sales (FMS) helicopters are purchased by the Colombian Army but supported by U.S. personnel. 20 Sikorsky UH-60L helicopters Technical Assistance Field Team Based at Tolemaida Air Base (Melgar, Tolima), the team provides maintenance to U.S.-made helicopters. Joint Initial Entry Rotary Wing School Based at Melgar Air Base (Melgar, Tolima), it is a flight school for Colombian combat-helicopter pilots. Additional pilot training is provided at the U.S. Army's helicopter training center (Fort Rucker, Alabama) National Police Air Service (2000–2008 cost: $463 million) The U.S. State Department provides support to approximately 90 aircraft operated by the Colombian National Police. The U.S. Defense Department supports the construction of an aviation depot at Madrid Air Base (Madrid, Cundinamarca). National Police Eradication Program (2000–2008 cost: $458 million) This program is executed by a private company, DynCorp, under the supervision of the U.S. State Department's Bureau of International Narcotics and Law Enforcement Affairs (INL), and operates out of Patrick Space Force Base in Florida. U.S. State Department-owned planes spray chemicals to destroy coca and opium poppy crops in rural Colombia. From 2000 to 2008 more than 1 million hectares (2.5 million acres) of crops were destroyed. 13 Air Tractor AT-802 armored crop dusters 13 Bell UH-1N helicopters 4 Alenia C-27 cargo planes National Police Interdiction Efforts (2000–2008 cost: $153 million) The U.S. State Department equips and trains a Colombian National Police unit known as Junglas. The unit's 500 members are divided into three companies based in Bogotá, Santa Marta, and Tuluá. Infrastructure Security Strategy (2000–2008 cost: $115 million) This program secures part of the Cano Limon-Covenas