Stephen "Scott" Helvenston (June 21, 1965 – March 31, 2004) was a former United States Navy SEAL. He was working as a security contractor for Blackwater Security when he was killed in the 31 March 2004 Fallujah ambush within days of arriving in Iraq. Helvenston's great-great-uncle was Secretary of War Elihu Root. He joined the Navy at 17 and became the youngest person to complete Navy SEAL training. He spent 12 years in the Navy SEALs until he left in 1994 as an E-6 (Quartermaster First Class).