Rolls-Royce Digitally Modeled Wing and Pylon With Engine to Win B-52 Contract Oct. 7, 2021 | By John A. Tirpak Rolls-Royce North America CEO Tom Bell chalks up the company's win of the B-52 commercial re-engining program to a comprehensive digital model of the bomber's wing, demonstrating how its F130 engine would give the best performance.