mobilization at Dallas due to the 1961 Berlin Crisis. The 49th Armored and the Wisconsin 32nd Infantry Division were mobilized in order to replace active divisions scheduled to be deployed from the strategic reserve. On 15 October the division entered federal service and soon afterwards concentrated at Fort Hood. It subsequently deployed to Fort Polk, Louisiana, where it remained for ten months. In May 1962, the division staged the large-scale Exercise Iron Dragoon, still remembered among National Guard armor exercises. Also while at Fort Polk the division's missile unit became the first Army National Guard unit to fire the Honest John nuclear-tipped surface-to-surface missile. The 49th Armored Division reverted to Texas State control in August 1962 after the newly reformed active duty 1st Armored and 5th Infantry Divisions were ready to take the place of it and the 32nd Infantry Division in the strategic reserve. The 49th Armored reorganized under the Reorganization Objective Army Division (ROAD) structure in March 1963. Under the ROAD structure, the division included four mechanized infantry battalions and five armor battalions. Both the 36th Infantry Division and the 49th Armored were inactivated in 1968. Their units were used to form the 71st Airborne Brigade, the 72nd Infantry Brigade (Mechanized), and the 49th Armor Group. The 49th Armor Group became the 49th Armored Brigade on 1 September 1971. A Department of Defense directive to the army to convert six National Guard brigades from infantry to armor in order to act as reinforcements for troops in Europe in event of war resulted in the reactivation of the division, headquartered at Camp Mabry, on 1 November 1973. The reorganized 49th Armored consisted of five mechanized and six armor battalions; it and the 50th Armored were once again the only National Guard armored divisions. For the rest of its existence, the 49th, as the only Texas Army National Guard division, formed the bulk of the force. The division accounted for 14,854 personnel out of the 17,643 authorized for the Texas Army National Guard in 1976. The 1st Battalion, 200th Air Defense Artillery of the New Mexico Army National Guard was added as the divisional anti-aircraft gun battalion on 1 September 1975. In January of 2004, Alpha Company of 1st Squadron, 124th Cavalry Regiment (United States), 180 Soldiers, were mobilized to serve in Operation Iraqi Freedom. They saw action in and around Baghdad, and served as security for the 89th Military