Operation Sam Houston begins - Jan 01, 1967 - HISTORY.com

Operation Sam Houston begins as a continuation of border surveillance operations in Pleiku and Kontum Provinces in the Central Highlands by units from the U.S. 4th and 25th Infantry Divisions. The purpose of the operation was to interdict the movement of North Vietnamese troops and equipment into South Vietnam from communist sanctuaries in Cambodia and Laos. The operation ended on April 5. A total of 169 U.S. soldiers were killed in action; 733 enemy casualties were reported.