The 42nd Infantry Regiment, also known as the "Rainbow Division," is a unit of the United States Army. It was formed during World War I and is recognized for its diverse composition, drawing soldiers from multiple states. The regiment played a significant role in several key battles, showcasing its effectiveness and bravery. Throughout its history, the 42nd Infantry Regiment has participated in various conflicts, including World War II and the Vietnam War. The unit is known for its distinctive patch, which features a rainbow, symbolizing unity among soldiers from different backgrounds and regions.