Generated by DeepSeek V3.2| Landing Zone X-Ray | |
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![]() United States Army · Public domain · source | |
| Conflict | Landing Zone X-Ray |
| Partof | Battle of Ia Drang |
| Date | November 14–16, 1965 |
| Place | Ia Drang Valley, South Vietnam |
| Result | U.S. tactical victory |
| Combatant1 | United States |
| Combatant2 | North Vietnam |
| Commander1 | Harold G. Moore, Bruce Crandall |
| Commander2 | Nguyễn Hữu An |
| Units1 | 1st Cavalry Division, 7th Cavalry Regiment |
| Units2 | 33rd Regiment, 66th Regiment |
| Casualties1 | 79 killed, 121 wounded |
| Casualties2 | U.S. estimate: 634–1,215 killed |
Landing Zone X-Ray was a helicopter landing zone and the primary battlefield of the first major engagement between regular United States Army and People's Army of Vietnam forces during the Vietnam War. The fierce three-day battle, fought in the Ia Drang Valley in November 1965, validated the U.S. Army's new airmobile warfare doctrine and set a brutal pattern for much of the subsequent conflict. It demonstrated the effectiveness of helicopter-borne troop insertion and close air support, while also revealing the formidable tenacity of North Vietnamese Army units operating in the Central Highlands.
The site was a small clearing, approximately the size of a football field, located at the base of the Chu Pong Massif in the Central Highlands of South Vietnam. It was designated using the NATO phonetic alphabet for the letter "X". The location was chosen for a search-and-destroy mission intended to find and engage People's Army of Vietnam forces believed to be massing in the area. The terrain consisted of tall elephant grass, scattered trees, and termite hills, which provided limited cover. The operation was a central component of the Pleiku Campaign and marked a significant escalation in direct combat between the main military forces of the opposing sides.
The battle began on the morning of November 14, 1965, when elements of the 1st Battalion, 7th Cavalry Regiment under Lieutenant Colonel Harold G. Moore were airlifted into the landing zone by UH-1 Iroquois helicopters. Pilots like Major Bruce Crandall made repeated trips under intense fire to deliver troops and evacuate wounded. The American battalion was quickly surrounded and attacked by vastly superior numbers from the 66th Regiment of the People's Army of Vietnam. Fighting was often at close quarters, with intense episodes such as the defense of "The Hollow" and the assault on the "Albany" perimeter during the subsequent engagement at Landing Zone Albany. The battle featured heavy use of artillery fire from Fire Support Base Falcon, napalm strikes, and B-52 Stratofortress bombings on the nearby Chu Pong mountains.
The engagement was a critical test of the new airmobile concept championed by General Harry W. O. Kinnard. Its outcome proved the viability of using helicopters as the primary means of tactical mobility in a large-scale combat operation, fundamentally influencing U.S. strategy for the rest of the war. For the People's Army of Vietnam, commanded by Senior Colonel Nguyễn Hữu An, the battle affirmed their "grab-them-by-the-belt" tactics of closing quickly with American forces to negate advantages in firepower. Both sides claimed the battle validated their respective war strategies, with U.S. leaders seeing success in body count metrics and North Vietnamese leaders believing they could absorb heavier casualties.
The principal U.S. unit was the 1st Battalion, 7th Cavalry Regiment, part of the 1st Cavalry Division (Airmobile). They were supported by elements of the 2nd Battalion, 7th Cavalry Regiment, which reinforced the position on the second day. Critical support came from the 229th Assault Helicopter Battalion and Air Force units providing close air support. The opposing force consisted primarily of the 66th Regiment and the 33rd Regiment of the People's Army of Vietnam, which were veteran units of the Viet Minh from the First Indochina War. These regiments were under the operational control of the B3 Front in the Central Highlands.
The battle resulted in significant casualties on both sides, with the U.S. suffering 79 killed and the People's Army of Vietnam losses estimated in the hundreds. It was followed by an even more devastating ambush of the 2nd Battalion, 7th Cavalry Regiment at the nearby Landing Zone Albany. The experiences were chronicled in the book We Were Soldiers Once… And Young by Harold G. Moore and journalist Joseph L. Galloway, which was later adapted into the film We Were Soldiers. The battle is studied at military institutions like the United States Army War College for lessons in leadership, airmobile tactics, and the brutal realities of guerrilla warfare. The site remains a significant historical location, with veterans from both sides participating in reconciliation ceremonies in subsequent decades.
Category:Battles of the Vietnam War Category:1965 in Vietnam