Fifty-eight years ago today, on February 26, 1967 (January 18, 1967 in the lunar calendar), the United States launched its biggest offensive since the Vietnam War. The Trauma of the Vietnam War: Violent Corpses on the Street. On February 26, 1967, in the largest offensive since the United States launched the Vietnam War, American troops marched into the jungle near the Cambodian border to search for the secret Viet Cong headquarters. More than 25,000 people entered a sector-shaped zone called Operation Zone C near Cambodia to carry out war missions. Their task was to find and destroy the headquarters of the Central Organ of the Vietnamese Communist Party-the command post of all rebels in South Vietnam. At the same time, U.S. Navy planes began to drop mines into the rivers in North Vietnam to prevent sailing ships from transporting. President Johnson stressed that he would not stop bombing North Vietnam unless Hanoi reduced its military operations. American tanks in the jungle of Vietnam