National Museum of Nuclear Science & History
Thomas S. Grennan served as a 2nd lieutenant in the 393rd Bombardment Squadron.
John D. Watson was an American civil engineer. In 1942, he joined the J.A. Jones Construction Company.
Thomas F. Costa served as a 1st lieutenant in the 393rd Bombardment Squadron. He was the bombardier regularly assigned to the B-29 Some Punkins.
