Vietnam War Tech
Operation Ranch Hand initiated
The United States Air Force launches Operation Ranch Hand, a “modern technological area-denial technique” designed to expose the roads and trails used by the Viet Cong. Flying C-123 Providers, U.S. personnel dumped an estimated 19 million gallons of defoliating herbicides over ...read more
Weapons of the Vietnam War
From air power to infantry to chemicals, the weapons used in the Vietnam War were more devastating than those of any previous conflict. United States and South Vietnamese forces relied heavily on their superior air power, including B-52 bombers and other aircraft that dropped ...read more
Agent Orange
Agent Orange was a powerful herbicide used by U.S. military forces during the Vietnam War to eliminate forest cover and crops for North Vietnamese and Viet Cong troops. The U.S. program, codenamed Operation Ranch Hand, sprayed more than 20 million gallons of various herbicides ...read more
U.S. reconnaissance jets shot down over Laos
Two U.S. Navy jets flying low-altitude target reconnaissance missions over Laos are shot down by communist Pathet Lao ground fire. Washington immediately ordered armed jets to escort the reconnaissance flights, and by June 9, escort jets were attacking Pathet Lao headquarters. ...read more
U.S. jets launch heaviest air raids of the war
In the heaviest air raids since the bombing began in February 1965, U.S. Air Force and Navy planes fly an estimated 200 sorties against North Vietnam. The objectives of the raids included an oil storage area 60 miles southeast of Dien Bien Phu and a staging area 60 miles ...read more
Ho Chi Minh Trail
The Ho Chi Minh Trail was a military supply route running from North Vietnam through Laos and Cambodia to South Vietnam. The route sent weapons, manpower, ammunition and other supplies from communist-led North Vietnam to their supporters in South Vietnam during the Vietnam War. ...read more
U.S. bombs Cambodia for the first time
U.S. B-52 bombers are diverted from their targets in South Vietnam to attack suspected communist base camps and supply areas in Cambodia for the first time in the war. President Nixon approved the mission–formally designated Operation Breakfast–at a meeting of the National ...read more
Racial violence breaks out aboard U.S. Navy ships
Racial violence flares aboard U.S. Navy ships on October 12, 1972. Forty six sailors are injured in a race riot involving more than 100 sailors on the aircraft carrier USS Kitty Hawk en route to her station in the Gulf of Tonkin off Vietnam. The incident broke out when a Black ...read more
First U.S. helicopters arrive in South Vietnam
The ferry carrier, USNS Core, arrives in Saigon with the first U.S. helicopter unit. This contingent included 33 Vertol H-21C Shawnee helicopters and 400 air and ground crewmen to operate and maintain them. Their assignment was to airlift South Vietnamese Army troops into combat. ...read more
First U.S. helicopter is shot down in Vietnam
The first U.S. helicopter is shot down in Vietnam. It was one of 15 helicopters ferrying South Vietnamese Army troops into battle near the village of Hong My in the Mekong Delta. The first U.S. helicopter unit had arrived in South Vietnam aboard the ferry carrier USNS Core on ...read more
First U.S. Air Force plane crashes in South Vietnam
The first U.S. Air Force plane is lost in South Vietnam. The C-123 aircraft crashed while spraying defoliant on a Viet Cong ambush site. The aircraft was part of Operation Ranch Hand, a technological area-denial technique designed to expose the roads and trails used by the Viet ...read more
First B-52 shot down over North Vietnam
The United States loses its first B-52 of the war. The eight-engine bomber was brought down by a North Vietnamese surface-to-air missile near Vinh on the day when B-52s flew their heaviest raids of the war over North Vietnam. The Communistss claimed 19 B-52s shot down to date. ...read more
1st Cavalry Division arrives in South Vietnam
1st Cavalry Division (Airmobile) begins to arrive in South Vietnam at Qui Nhon, bringing U.S. troop strength in South Vietnam to more than 125,000. The unit, which had a long and storied history, was the first full U.S. Army division deployed to Vietnam. The division consisted ...read more
173rd Airborne Brigade deploys to South Vietnam
The lead element of the 173rd Airborne Brigade (“Sky Soldiers”), stationed in Okinawa, departs for South Vietnam. It was the first U.S. Army ground combat unit committed to the war. Combat elements of the 173rd Airborne Brigade included the 1st, 2nd, 3rd, and 4th Battalions, ...read more
101st Airborne Division arrives in Vietnam
The first 4,000 paratroopers of the 101st Airborne Division arrive in Vietnam, landing at Cam Ranh Bay. They made a demonstration jump immediately after arriving, observed by Gen. William Westmoreland and outgoing Ambassador (formerly General) Maxwell Taylor. Taylor and ...read more