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Operation Lancaster

Operation Lancaster
Part of the Vietnam War

A Marine barters with Vietnamese civilians during Operation Lancaster
Date1 November 1967 – 20 January 1968
Location16°34′44″N 106°45′11″E / 16.579°N 106.753°E / 16.579; 106.753
Result U.S. claims victory
Belligerents
 United States  North Vietnam
Commanders and leaders
COL Joseph Lo Prete
Units involved
3rd Marine Regiment
Casualties and losses
22 killed US body count: 46 killed

Operation Lancaster was a U.S. Marine Corps operation that took place in northern Quảng Trị Province from November 1967 to January 20, 1968.