This is B-25J 44-29035 marked as Col. James Doolittle's B-25B. On display outside the museum atrium on April 18, 2017, the 75th anniversary of the Doolittle raid on Japan. This a/c was acquired by the museum in 1998, and for many years was marked as a PBJ-1. It is now on display inside the main museum building in the WW2 gallery.