63rd Infantry Regiment is a reserve unit of Philippine Army activated and organized during World War II.

The island was subject to aerial bombardment on the day it arrived in Panay, after forces in Luzon retreat in Bataan.

Commander of 61st Division, General Chynoweth, realizing they could not meet the Japanese at the beaches due to no artillery pieces arrived in the island, implemented Baus Au program which would bring foods, weapons,[1] and other supplies inland and up to the hills which later he will implement in the entire Visayas islands as he assumed the Visayan Force in March.

[4] 63rd Infantry Regiment was the main unit involved in this operations as cargadores adopting the insignia of carabao sled.

63rd also conducted night raids in Iloilo City destroying and burning warehouses where Japanese supplies are stored.