Boom has revealed more details about Symphony, the engine for the Overture jet with which it aims to bring back commercial supersonic air travel after the retirement of Concorde. Most importantly, the company has secured a new partner to develop the engine after it parted ways with Rolls-Royce in September.
FTT, a division of Kratos Defense & Security Solutions, will help design Symphony. Some of FTT's engineers were behind the F-22 and F-35 fighter jet engines, so they have experience in...