Colombia's President Juan Manuel Santos (C) and Defense Minister Rodrigo Rivera (3rd L) review troops during a graduation ceremony for the new sub-lieutenants at the Army School in Bogota June 1, 2011. Also in the picture are Admiral Edgar Augusto Cely (3rd R), the commander of the armed forces, National Army General Alejandro Navas Ramos (L), Air Force General Julio Alberto Gonzalez (2nd R) and Navy commander Admiral Alvaro Echandia (2nd L). REUTERS/John Vizcaino (COLOMBIA - Tags: POLITICS MILITARY)