 This Sept. 19, 2014 photo, shows the Mazamari counternarcotics military base in the Apurimac, Ene and Mantaro River Valleys, or VRAEM, the world's No. 1 coca-growing region, in Junin, Peru. According to authorites the area has no radar coverage and the neighboring nations' air forces are limited so drug flights can only be intercepted on the ground. (AP Photo/Rodrigo Abd) 