U.S. 1st Infantry Division

The 1st Infantry Division of the United States Army—nicknamed the Big Red One after its shoulder patch—is the oldest division. Since the Division was made, it has served in almost all wars the American Army has been in. The division's official motto is "Duty First". Their unofficial motto is "No Mission Too Difficult, No Sacrifice Too Great". Wars/Fighting this division has served in World War I World War II Korean War Vietnam War First Gulf War Bosnia/Kosovo 2003 Invasion of Iraq