Mexican Secretariat of National Defense/Bio & Battles

SEDENA, or Secretariat of National Defense (Secretaría de la Defensa Nacional), is a military department that has domain over national security. Established in 1937, SEDENA has responsibility over the ground and aerial branches of the Mexican Armed Forces. SEDENA is also in charge of: organizing the MAF, military planning and civil defense, administering military justice, etc. The current Secretary of National Defense is Guillermo Galván Galván.