High Quality Content by WIKIPEDIA articles! The 108th Infantry Regiment is a regiment of the New York Army National Guard. It was first formed in 1898 and has been in continuous existence since 1907. As National Guardsmen, Soldiers of the 108th Infantry can be called upon to serve the state and Federal governments. The 108th has served in the Spanish-American War, the Mexican Border War, World War I, World War II, Iraq, and Afghanistan.