Tens of thousands of South Korean soldiers were captured by North Korean and Chinese forces during the Korean War but were not returned during the prisoner exchanges under the 1953 Korean Armistice Agreement.

Swift Vets and POWs for Truth, formerly known as the Swift Boat Veterans for Truth, was a political group (527 group) of United States Swift boat veterans; former prisoners of war of the Vietnam War, formed during the 2004 presidential election campaign.