(01 of23)
Open Image ModalIn this June 1970 file photo, taken by Associated Press photographer Huynh Cong "Nick" Ut, south Vietnamese Marines rush to the point where descending U.S. Army helicopter will pick them up after a sweep east of the Cambodian town of Prey-Veng during the Vietnam War. (AP Photo/Nick Ut, File) (credit:AP)
(02 of23)
Open Image ModalIn this June 11, 1963 file photo, one of a series taken by then AP Saigon correspondent Malcom Browne, Thich Quang Duc, a Buddhist monk, burns himself to death on a Saigon street to protest alleged persecution of Buddhists by the South Vietnamese government. (AP Photo/Malcolm Browne) (credit:AP)
(03 of23)
Open Image ModalIn this Sept. 14, 1973 file photo, released prisoner of war John McCain is greeted by President Richard Nixon, left, in Washington. (AP Photo, File) (credit:AP)
(04 of23)
Open Image ModalIn this June 8, 1972 file photo taken by Associated Press photographer Huynh Cong "Nick" Ut, a Vietnamese grandmother carries her severely burned one-year-old grandson down Route 1 after a misdirected napalm attack by South Vietnamese pilots in the village of Trang Bang, South Vietnam. (AP Photo/Nick Ut, File) (credit:AP)
(05 of23)
Open Image ModalThis March 17, 1973 file photo shows released prisoner of war Lt. Col. Robert L. Stirm being greeted by his family at Travis Air Force Base in Fairfield, Calif., as he returns home from the Vietnam War. (AP Photo/Sal Veder, File) (credit:AP)
(06 of23)
Open Image ModalIn this March 29, 1973 file photo, Unidentified U.S. prisoners of war stand in the courtyard of Hanoi's POW camp at Nga Tu So street waiting for an inspection of the camp by joint military and international control and supervision commissions. (AP Photo/Horst Faas, File) (credit:AP)
(07 of23)
Open Image ModalIn this April 11, 1969 file photo made by George McArthur, a South Vietnamese militiaman, wearing a handkerchief to ward off the odors, probes the rubble to free a body from the ruins of the Tay Ninh Provincial military headquarters area after an area of about nine city blocks was leveled when Viet Cong rockets blew up a 200-ton ammunition dump. (AP Photo/George McArthur) (credit:AP)
(08 of23)
Open Image ModalIn this Thursday, March 30, 1973 photo, As the last 55 troops to leave Vietnam debarked their Air Force C-141 at Travis Air Force Base. (AP Photo) (credit:AP)
(09 of23)
Open Image ModalIn this April 2, 1973 photo, President Richard Nixon and South Vietnamese President Nguyen Van Thieu are in profile as they listen to national anthems during arrival ceremonies for Thieu at the Western White House in San Clemente, Calif. (AP Photo) (credit:AP)
(10 of23)
Open Image ModalIn this Wednesday, April 12, 1973 photo, Daniel Ellsberg, co-defendant in the Pentagon Papers trial, talks with newsmen after he testified in Los Angeles. (AP Photo) (credit:AP)
(11 of23)
Open Image ModalIn this March 27, 1973 photo, Viet Cong and North Vietnamese members of the joint military commission, foreground, shoot photos of U.S. troops as they board an Air Force plane for the flight home from Saigon's Tan Son Nhut Air Base. (AP Photo/Neal Ulevich) (credit:AP)
(12 of23)
Open Image ModalIn this early 1968 file photo, taken by Associated Press photographer Huynh Cong "Nick" Ut, journalists photograph a body in the Saigon area in early 1968, during the Tet Offensive. (AP Photo/Nick Ut, File) (credit:AP)
(13 of23)
Open Image ModalIn this March 29, 1973 file photo, the American flag is furled at a ceremony marking official deactivation of the Military Assistance Command-Vietnam (MACV) in Saigon, after more than 11 years in South Vietnam. (AP Photo/Charles Harrity, File) (credit:AP)
(14 of23)
Open Image ModalThis Aug. 1963 photo shows Tran Le Xuan, known as Madame Ngo Dinh Nhu in unknown location. (AP Photo/File) (credit:AP)
(15 of23)
Open Image ModalB52 high altitude bombers leave condensation trails while passing the town of Cai Lay in the Mekong Delta on Sept. 29, 1972, moments after unleashing bombs on a suspected enemy positions. (AP Photo/Nick Ut, File) (credit:AP)
(16 of23)
Open Image ModalIn this June 8, 1972 file photo taken by Associated Press photographer Huynh Cong "Nick" Ut, Television crews and South Vietnamese troops surround 9-year-old Kim Phuc on Route 1 near Trang Bang, South Vietnam, after she was burned by a misdirected aerial napalm attack. (AP Photo/Nick Ut, File) (credit:AP)
(17 of23)
Open Image ModalIn this June 8, 1972 file photo taken by Associated Press photographer Huynh Cong "Nick" Ut, a Vietnamese man and woman carry severely burned children down Route 1 after a misdirected napalm attack by South Vietnamese pilots in the village of Trang Bang, South Vietnam. (AP Photo/Nick Ut, File) (credit:AP)
(18 of23)
Open Image ModalThis June 8, 1972 file photo taken by Associated Press photographer Huynh Cong "Nick" Ut, shows bombs with a mixture of napalm and white phosphorus jelly dropped by Vietnamese Air Force Skyraider bombers explode across Route 1, amidst homes and in front of the Cao Dai temple on the outskirts of Trang Bang, Vietnam. (AP Photo/Nick Ut) (credit:AP)
(19 of23)
Open Image ModalIn this early 1968 file photo taken by Associated Press photographer, Huynh Cong "Nick" Ut, the body of a man lies beside a road in the Saigon area of Vietnam during the Tet Offensive. (AP Photo/Nick Ut, File) (credit:AP)
(20 of23)
Open Image ModalThis Sept. 20, 1970, file photo taken by Associated Press photographer, Huynh Cong "Nick" Ut, shows a Cambodian soldier on an operation in Vietnam. (AP Photo/Nick Ut) (credit:AP)
(21 of23)
Open Image ModalIn this August 20, 1970, file photo taken by Associated Press photographer Huynh Cong "Nick" Ut, a line of South Vietnamese marines moves across a shallow branch of the Mekong River during an operation near Neak Luong, Cambodia. (AP Photo/Nick Ut, File) (credit:AP)
(22 of23)
Open Image ModalIn this May 8, 1970, file photo taken by Associated Press photographer Huynh Cong "Nick" Ut, a South Vietnamese tank crew abandons tank after it was hit by B40 rockets and automatic weapons two miles north of Svay Rieng in eastern Cambodia. (AP Photo/Nick Ut, File) (credit:AP)
(23 of23)
Open Image ModalIn this April 6, 1969, file photo, taken by Associated Press Photographer Huynh Cong "Nick" Ut, youthful civil defense militiamen leap into the flooded Nipa Palm grove near Saigon, Vietnam. (AP Photo/Nick Ut, File) (credit:AP)