2nd Battalion 5th Marines (2/5) is an infantry battalion in the United States Marine Corps consisting of approximately 800 Marines and Sailors. They are based out of Marine Corps Base Camp Pendleton, California and fall under the command of the 5th Marine Regiment and the 1st Marine Division. The battalion has seen combat in World War I, World War II, the Korean War, the Vietnam War and the Gulf War and has deployed many times in support of Operation Iraqi Freedom and the current War on Terror.