1964 - Defense Secretary Robert S. McNamara and Secretary of State Dean Rusk appeared before a joint Congressional committee on foreign affairs. They presented the Johnson administration's arguments for a resolution that would authorize the president "to take all necessary measures" in Vietnam.
1969 - The U.S. Army announced that eight Green Berets had been charged with premeditated murder and conspiracy to commit murder in the summary execution of Vietnamese national Thai Khac Chuyen. Chuyen was reportedly executed for being a double agent and comprimising a secret mission. The case was later dismissed after the CIA refused to release classified information related to Detachment B-57.
1971 - The last remaining troops of the Fourth Battalion, 503rd Infantry of the 173rd Airborne Brigade ceased combat operations and began preparing to leave Vietnam.