35th Anniversary of the Fall of Saigon (4)

U.S. troops carry the body of a fellow soldier across a rice paddy for helicopter evacuation near Bong Son in early February 1966. The soldier, a member of the 1st Air Cavalry Division, was killed during Operation Masher on South Vietnam’s central coast. (AP Photo/Rick Merron)

A helicopter lifts a wounded American soldier on a stretcher during Operation Silver City in Vietnam, March 13, 1966. (AP Photo)

Seen here are pickets demonstrating against the Vietnam War as they march through downtown Philadelphia, Pa, March, 26 1966. (AP Photo/Bill Ingraham)

Soldiers of the 101st Airborne Division carry a wounded buddy through the jungle in May 1966. (AP Photo/Henri Huet)

A helicopter hovers over the field, ready to load personnel and equipment during Operation Masher in the Vietnam War, May 7, 1966. (AP Photo)

A young paratrooper with a mud-smeared face stares into the jungle in Vietnam on July 14, 1966, after fire fight with Viet Cong patrol in the morning. He is a member of C company, 2nd battalion, 173rd airborne brigade. (AP Photo/John Nance)

A U.S. Marine CH-46 Sea Knight helicopter comes down in flames after being hit by enemy ground fire during Operation Hastings, just south of the Demilitarized Zone between North and South Vietnam, July 15, 1966. The helicopter crashed and exploded on a hill, killing one crewman and 12 Marines. Three crewman escaped with serious burns. (AP Photo/Horst Faas)

Pinned down by Viet Cong machine gun fire, a U.S. medic looks over at a seriuosly wounded comrade as they huddle behind a dike in a rice paddy, near Phu Loi, South Vietnam, August 14, 1966. (AP Photo)

A U.S. infantryman from A Company, 1st Battalion, 16th Infantry carries a crying child from Cam Xe village after dropping a phosphorous grenade into a bunker cleared of civilians during an operation near the Michelin rubber plantation northwest of Saigon, August 22, 1966. A platoon of the 1st Infantry Division raided the village, looking for snipers that had inflicted casualties on the platoon. GIs rushed about 40 civilians out of the village before artillery bombardment ensued. (AP Photo/Horst Faas)

An American F-105 warplane is shot down and the pilot ejects and opens his parachute in this photo taken by North Vietnamese photograper Mai Nam on September 1966 near Vinh Phuc, north of Hanoi. This photo is one of the most recognized images taken by a North Vietnamese photographer during the war. The pilot of the aircraft was taken hostage and held in a Hanoi prison from 1966 to 1973. (AP Photo/Pioneer Newspaper/Mai Nam)

Paratroopers of the 173rd U.S. airborne brigade make their way across the Song Be River in South Vietnam en route to the jungle on the North Bank and into operation Sioux City in the D Zone on Oct. 4, 1966. Troopers and equipment were flown in by helicopter to the central highlands area, but the choppers couldn’t land in the D zone jungles. The operation began late in the week of September 25. (AP Photo)

U.S. President Lydon B. Johnson reviews troops assembled in honor of his visit to the U.S. base at Cam Ranh Bay in South Vietnam on Oct. 26, 1966 during the war. Beside the President is Gen. William Westmoreland, Commander of the U.S. Military forces in Vietnam. (AP Photo)