Flowers sit at the gravesite of US Marine Corporal Charles McMahon, one of the last two US soldiers killed in the Vietnam War, at a cemetery in Woburn, Mass., Thursday. According to media reports, Corporal McMahon and Lance Corporal Darwin Judge were killed simultaneously in a rocket attack at Tan Son Nhut airbase on April 29, 1975, one day before the Fall of Saigon. Brian Snyder/Reuters
At the US Consulate in Ho Chi Minh City, Vietnam, Thursday, former Marine Sgt. Kevin Maloney of Hollywood, Fla., holds a US flag during the unveiling ceremony of a plaque dedicated to his fallen comrades Cpl. Charles McMahon and Lance Cpl. Darwin Judge, the last US servicemen killed in the Vietnam War. On the 40th anniversary of the fall of Saigon, a group of former US Marines who were there on that day gathered at the site of the old US Embassy, now the US Consulate, for the ceremony. Dita Alangkara/AP
Vietnamese veterans gather for a parade celebrating the 40th anniversary of the end of the Vietnam War, which is also remembered as the fall of Saigon, in Ho Chi Minh City, Vietnam, Thursday. Na Son Nguyen/AP