Can Boom's 'Son of Concorde' bring back supersonic passenger flight?

Ever since the retirement of the Air France and British Airways Concordes in 2003, there have been a succession of initiatives to develop a modern supersonic transport replacement, many of which have failed to get beyond the concept stage. The latest company to propose a ‘Son of Concorde’ design is Denver-based Boom Technology which has unveiled plans for a new 45-seat commercial supersonic jet (SSJ).

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