Among his favorite books: Mein Kampf by Adolf Hitler, The Art of War by Von Clausewitz, Thus Spoke Zarathustra by Nietzsche and Venezuela Heroica by Eduardo Blanco.
Assigned to the Air Force, he participated in the bombing of Los Monjes Archipelago in the Caribbean Sea, Venezuela, helping at the recovering of sovereignty of these islands, for which he was decorated and promoted by the then President, General Marcos Pérez Jiménez.
He returned to Venezuela in 1963 and became an activist in the fascist-lining Social Nationalist Movement, who was part of the electoral coalition that supported the candidacy for president of the Republic of the writer Arturo Uslar Pietri.
Díaz Ortega joins the School of Medicine of the Universidad Central de Venezuela (UCV) where he creates a cell of the Social Nationalist Movement, which waged pitched battles against the hippies and communists who passed in the halls of the university ending at Park Caobos, that then it was a wooded area.
Despite having few resources, he would come to be nominated as a candidate for President for the 1993 Venezuelan general election,[2] wrote several articles in newspapers and magazines about border issues, deteriorating public health, personal insecurity, housing shortages and the political threat of communism.