Defense Forces (Chile) ====================== Branches: Army of the Nation, National Navy (including Naval Air, Coast Guard, and Marines), Air Force of the Nation, Carabineros of Chile (National Police), Investigative Police Manpower availability: males 15-49, 3,600,654; 2,685,924 fit for military service; 118,480 reach military age (19) annually Defense expenditures: exchange rate conversion - $1 billion, 3.4% of GDP (1991 est.)