1 Infantry Brigade (U.S. Army) Black Coffee Mug

The 1st Infantry Brigade is a tactical unit within the United States Army. It serves as a ready combat force for rapid deployment in response to various global contingencies. Each brigade consists of approximately 3,500 soldiers organized into battalions and companies, with a mix of infantry, armored, artillery, engineer, and support units. The 1st Infantry Brigade's lineage can be traced back to the American Revolutionary War, making it one of the oldest continuous combat formations in the U.S. Army. The brigade has been deployed in numerous conflicts throughout its history, including the Mexican-American War, World War I and II, the Korean War, and the Iraq and Afghanistan wars. The primary mission of the 1st Infantry Brigade is to conduct full-spectrum military operations across diverse terrain and against a wide range of adversaries. This includes conducting stability operations, counterinsurgency campaigns, defensive and offensive operations, and peacekeeping missions. The brigade's motto, "First in, Last out," reflects its tradition of being one of the first units to arrive at a combat zone and one of the last to depart.