Eleven B-50Ds were stripped of all armament and converted to TB-50D crew trainers. They were used for various support duties, including the training of B-36 crews.
47-163/170 Boeing B-50D-65-BO Superfortress c/n 15847/15854 163,164,167,170 converted to TB-50D aircrew trainer. 48-046/052 Boeing B-50D-70-BO Superfortress c/n 15855/15861 All converted to TB-50D aircrew trainers