Delivered new to the 346th TCS at Pope AFB. In 1964 it deployed to Tan Son Nhut Air Base, Vietnam. Returned to U.S. in 1967 and upgraded to C-123K version. Back to Vietnam, based at Phan Rang Air Base until 1972. Back to the U.S. and assigned to the USAF Reserve at Lockbourne, Ohio. Retired from active service and dedicated in the Air Park on 11 October 1981.