English: A U.S. Air Force Douglas AC-47D Spooky gunship (s/n 43-49010) of the 4th Special Operations Squadron at Udorn Royal Thai Air Force Base, in June 1970. The 4th SOS had the tail code "EN" at Nha Trang Air Base, Vietnam. While being assigned to the 432nd Tactical Reconnaissance Wing at Udorn, it had the tail code "OS".
This aircraft was turned over to the Royal Laotian air force on 8 June 1970. It later served with the Cambodian Royal Khmer Air Force before it finally served with the Royal Thai air force as "L2-46/18" in 1975. It was retired on 23 April 1991 and was derelict at Don Muang air base by 1995. Today it is displayed at the Vietnam War Veterans Memorial Museum, Surasri Army Camp, Kanchanaburi, Thailand.