Rock Island Arsenal is a United States Army facility located on Rock Island, Illinois. Established in 1862, it serves as a manufacturing and logistics center for military equipment and supplies. The arsenal is situated on an island in the Mississippi River and plays a crucial role in supporting the Army's readiness and modernization efforts. The facility is known for producing a variety of items, including firearms, ammunition, and military vehicles. It also houses the Rock Island Arsenal Museum, which showcases the history of the arsenal and its contributions to the U.S. military over the years.