Operation Colorado

Operation Colorado
Part of Vietnam War
Date 6–22 August 1966 Location Hiệp Đức District, Quảng Nam Province, South Vietnam 15°40′12″N 108°20′10″E / 15.67°N 108.336°E / 15.67; 108.336 Result U.S./ARVN claim victory
Belligerents
South Vietnam  United States	North Vietnam
Commanders and leaders
Hoàng Xuân Lãm Charles F. Widdecke
Units involved
1st Marine Division 1st Battalion, 5th Marines 2nd Battalion, 5th Marines 2nd Battalion, 11th Marines 2nd Infantry Division Marine Division	2nd Division
Casualties and losses
26 killed 99 killed	US/ARVN body count: 350 killed 20+ captured

Operation Colorado/Lien Ket 52 was a US Marine Corps and Army of the Republic of Vietnam (ARVN) operation that took place in the Hiệp Đức District, lasting from 6–22 August 1966 planned by Major General Lewis J. Fields, Commanding General of 1st Marine Division.