The 113th Infantry Regiment is a unit of the United States Army, part of the U.S. Army National Guard. Established in 1917, it played a significant role during World War I and has continued to serve since then. Throughout its history, the regiment has been deployed multiple times, including in the Philippines Campaign during World War II, and more recently, in Afghanistan and Iraq. The regiment is organized under the 26th Infantry Brigade Combat Team, with units primarily based across several states in the U.S. The 113th Infantry Regiment's mission is to ensure the defense of the nation through training and readiness for mobilization when called upon.