During the American Regime, Ludovico Arroyo Bañas started in the government service as a Grade V teacher in Valladolid, Negros Occidental, on 1 January 1919.

Six years later, on 22 December 1921, he was reassigned in Iloilo, where he was promoted to the office of Assistant Radio Inspector and, after a few months, to the rank of Chief operator until the World War II broke out in 1942.

He went back to Telecommunications service (this time under the Philippine Republic) in April 1946, as Chief Operator of the Bureau of Posts in Iloilo City.

At the beginning of the War (on 10 October 1941 ), Ludovico Arroyo Bañas was drafted in the Civilian Employee Warning Service of the United States of America (Iloilo City Station), under the command of Major Campbell.

From 4 January to 16 April 1942, he was assigned as Radio Officer (with the rank of Second Lieutenant) of the 64th Infantry Regiment, of the 61st Division, Philippine Army, stationed in Sta.

Upon the reorganization of the 6th Military District in Panay, Ludovico Arroyo Bañas again joined the defense of his Country, and worked with Capt.

[19] Ludovico was one of the three sons of Celestino Barboza Bañas and Francisca Arroyo, both were native and residents of Banate, Iloilo, Philippines.