In June 1949 "Top Secret" was transferred to the 97th Bombardment Group at Biggs Air Force Base, Texas, then sent to Tinker Air Force Base in April 1950 for modification to TB-29 specifications at the Oklahoma City Air Materiel Area.
In June 1949 "Top Secret" was transferred to the 97th Bombardment Group at Biggs Air Force Base, Texas. It was sent to Tinker Air Force Base, Oklahoma in April 1950 for modification to TB-29 trainer specification by the Oklahoma City Air Materiel Area.