Built in1951 and allocated USAF serial 51-6953. SOC at Mildenhall in May 1963. Transferred to the Dutch Air Force as M-52 in Mar 1964. SOC on 14 Apr 1971. To the US civil register as N648 in Apr 1972. Was to go to the Mexican AF but NTU. Still current in 2023 operating in USAF markings.