Lauri Allan Törni (28 May 1919 – 18 October 1965), later known as Larry Thorne, was a Finnish Army captain. He led an infantry company in the Finnish Winter and Continuation Wars. After the wars, he moved to the United States. He then joined the American Army. He is known as the soldier who fought under three flags: Finnish, German (when he fought the Soviets in World War II), and American (where he was known as Larry Thorne) when he served in U.S. Army Special Forces (Green Berets) in the Vietnam War.