When he was 17 years old, he joined the Uruguayan Army via the Military School of Uruguay, graduating as ensign of the Artillery Weapon in January 1919.

[2] Shortly after 1926, due to changes of assignment within the Uruguayan Army, Farías had to return to the Artillery Arm.

In the meantime, away from the military aviation, he purchased a Curtiss JN and a Potez 36 with then Lieutenant Oscar Diego Gestido, who would become the 32nd Constitutional President of Uruguay in 1967, and the photographer Juan C. Gambarini.

He also proposed, and achieved, making August 10 the day dedicated in Uruguay to those who had fallen during service in the Uruguayan military aviation.

[2] Finally, with the approval of Law 12,070 on 27 November 1953, by the General Assembly of Uruguay, on 4 December 1953, the Fuerza Aérea Militar was created as an independent service of the Uruguayan Armed Forces.

[7] The Air Force was under his command until 1 March 1955, when he was succeeded by General Hernán S. Barú, whose links with Uruguayan aviation goes back to 1923.