completed and in October a further 10 barracks were completed. The 9th Air Commando Squadron was activated at Pleiku on 25 January 1967 flying special operations missions using modified C-47s and O-2B Skymasters. During its active service, the 9th ACS flew combat missions, including air support for ground forces, air cover for transports, day and night interdiction, combat search and rescue support, armed reconnaissance, and forward air control. The squadron relocated to Nha Trang Air Base on 1 November 1967. In late October 1967, some of the 604th Air Commando Squadron Combat Dragon A-37A Dragonflys moved to the base from Bien Hoa AB to perform armed and visual reconnaissance missions and night interdiction flights in the Tiger Hound operational area over southeastern Laos. From 1968 to 27 June 1972 the 362d Tactical Electronic Warfare Squadron flying specially-equipped EC-47s were assigned to Pleiku. These aircraft were equipped with various electronic warfare components. 633d Special Operations Wing The 633rd Special Operations Wing was activated at Pleiku on 15 July 1968. Its mission was to provide close air support, day and night interdiction, and visual and photo reconnaissance. The only unit assigned to the 633d Special Operations Wing was the 6th Special Operations Squadron equipped with 20 A-1E/H which deployed to Pleiku on 29 February 1968. During the stay at Pleiku, the squadron maintained a forward SAR alert unit at Da Nang Air Base from 1 April 1968 – 1 September 1969. The squadron was inactivated in place on 15 November 1969. With the departure of its personnel in late 1969, a small group remained at Pleiku for a short period of time to advise the RVNAF. The 633d Wing inactivated on 15 March 1970. For its actions at Pleiku Air Base, the wing was awarded the Air Force Outstanding Unit Award – with Combat "V" Device and the Republic Of Vietnam Gallantry Cross – with Palm. On 19 May 1970 a PAVN rocket attack on the base destroyed 1 EC-47 and damaged 2 more. Another rocket attack on 26 May damaged 2 more EC-47s. RVNAF at Pleiku In March 1970 the USAF began handing the base over to the RVNAF and this transfer was completed by the end of 1970. Pleiku AB was one of the 2 operating bases of the RVNAF 6th Air Division, the other being Phù Cát Air Base. The RVNAF established the 72d Tactical Wing at the base