 The regiment first saw combat service from December 1901 to January 1904 during the Philippine–American War where the regiment was heavily involved in counter-guerrilla operations.During the years 1906–1908, the regiment, minus one battalion, performed guard and police duty as part of the American forces of Cuban Occupation.In 1913, the 28th Infantry was ordered to Texas to assist in guarding the Mexican border against raids by Pancho Villa.