Fort Devens, Massachusetts. Johnson organized the 1st Provisional Infantry Battalion at Fort Devens and, in August 1950, he was dispatched to Korea. The battalion became the 3rd Battalion, 8th Cavalry Regiment, assigned to the 1st Cavalry Division for the defense of the Pusan Perimeter. Still with the 1st Cavalry Division, Johnson was later promoted to command the 5th and the 8th Cavalry Regiments. In February 1951, he was reassigned as Assistant Chief of Staff, G3 of I Corps. Returning to the United States, Johnson was assigned to the Office of the Chief of the Army Field Forces, Fort Monroe, Virginia. In 1952, he attended the National War College. After graduation, Johnson was assigned to the Office of the Assistant Chief of Staff, G3, where he served first, as Chief of Joint War Plans Branch, then as the Assistant to the Chief of the Plans Division, and finally as the Executive Officer of the Assistant Chief of Staff. In January 1956, Johnson was assigned to duty as Assistant Division Commander of the 8th Infantry Division at Fort Carson, Colorado. Later in 1956, he transferred with the 8th Division to West Germany. Johnson's next assignment was as chief of staff, Seventh Army Headquarters at Stuttgart-Vaihingen. Then in April 1959, Johnson moved to Headquarters, United States Army Europe as Assistant Chief of Staff, G3. The following December, he was appointed chief of staff, Central Army Group at NATO Headquarters concerned with planning for the employment of French, German, and American troop operations in Central Europe. Returning to the United States, Johnson was assigned as commandant, Command and General Staff College, Fort Leavenworth, Kansas. In February 1963, he became assistant deputy chief of staff for military operations (operations and plans), Department of the Army, and in July was appointed as deputy chief of staff for military operations. Chief of Staff On July 3, 1964, Johnson was appointed the 24th Chief of Staff of the United States Army; his reputation as an expert tactician led to him being selected over candidates with more seniority. He had told the National Guard Association that year that "military force ... should be committed with the object beyond war in mind" and "broadly speaking, the object beyond war should be the restoration of stability with the minimum of destruction, so that society and lawful government may proceed in an atmosphere of justice and order." Vietnam War Johnson went to