Elizabeth Nicole "Liz" Jacobson (March 26, 1984 – September 28, 2005) was a United States Air Force airman who was in the Iraq War. A member of the U.S. Air Force's security forces, She was the first female U.S. airman killed in the line of duty in support of Iraq War and the first U.S. Air Force Security Forces member killed in conflict since the Vietnam War.