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Corporal William Thompson and the dangerous missions of the LRRPs

LRRP teams were typically comprised of small, highly trained groups of soldiers who would be inserted by helicopter or on foot into enemy territory. Their primary mission was to gather crucial intelligence on enemy movements, and supply routes.

September 9, 2024

Corporal William Arthur Thompson served with the Long Range Reconnaissance Patrol (LRRP) Team attached to Headquarters and Headquarters Company, 2nd Brigade, 4th Infantry Division during the Vietnam War. As a member of this specialized unit, Thompson was part of one of the most dangerous and elite groups within the U.S. Army. LRRP teams were tasked with missions that involved high-risk reconnaissance deep behind enemy lines. They operated in some of the most hostile environments, often in the thick jungles of Vietnam, with minimal support and little chance for reinforcements. The men of the LRRP had to be highly skilled in stealth, navigation, and survival to carry out their missions successfully.


LRRP teams like Thompson’s were typically comprised of small, highly trained groups of soldiers who would be inserted by helicopter or on foot into enemy territory. Their primary mission was to gather crucial intelligence on enemy movements, supply routes, and fortifications. These patrols would also conduct ambushes, raids, and even prisoner snatches, all while avoiding detection. The men had to rely on their wits and their ability to remain undetected in an environment that could turn hostile at any moment. They often went days without resupply or the ability to communicate with the larger forces, making their missions physically and mentally grueling.


Thompson and his fellow LRRPs faced immense danger on every patrol. Their small numbers made them vulnerable to enemy forces, and being far from support meant they were often isolated and left to rely solely on their own skill sets. The jungle terrain provided little respite, with dense foliage, heat, and humidity adding to the constant threat of ambush by North Vietnamese Army (NVA) or Viet Cong forces. Engaging the enemy was always a last resort for LRRPs, but when it happened, soldiers like Thompson had to act quickly and decisively to survive. Their ability to blend in with their surroundings and evade capture was vital for mission success.


Corporal Thompson's service came at a time when the 4th Infantry Division was deeply involved in several critical operations throughout Vietnam. As part of the 2nd Brigade, his unit often operated in the Central Highlands, a strategically important area that saw heavy fighting. The intelligence gathered by LRRPs like Thompson helped shape the course of larger military campaigns, providing commanders with vital information on enemy strength, movements, and terrain. These missions played a key role in preventing ambushes on larger American units, saving lives and ensuring the overall success of military operations in the region.


The courage, determination, and skill of soldiers like Corporal William Arthur Thompson exemplified the grit and resilience required of LRRP teams. Their contributions were invaluable, often going unnoticed but playing a crucial role in the broader success of American forces in Vietnam. The missions these soldiers undertook were among the most dangerous of the war, and their ability to endure hardship, avoid detection, and carry out high-stakes operations made them some of the most respected and revered soldiers in the U.S. Army during the Vietnam War. Thompson’s service as a LRRP stands as a testament to his bravery and the extraordinary demands placed on these elite reconnaissance soldiers.

Corporal William A. Thompson was killed in action on July 12th 1968 while his LRRP unit was engaged in combat near Pleiku.