Technically, all the aircraft are Mexican—officially, Condor is a Mexican show, a joint operation between the Ninth Army Corps and the State of Sinaloa—but the planes were bought and paid for by the DEA and are flown by DEA contract pilots, most of them former CIA employees from the old Southeast Asia crew. Now there’s a tasty irony, Keller thinks—Air America boys who once flew heroin for Thai warlords now spray defoliants on Mexican opium.