JALが断念したコンコルドが“復活”？米国の最新「超音速旅客機」に死角はないか

XB-1 Successfully Completes Seventh Flight（Boom Technologiesのホームページから引用）

Supersonic Future Takes Shape（Boom Technologiesのホームページから引用）

A British Airways Concorde lifts off from Heathrow airport on its last ever west-bound commercial flight on October 23, in London. 　Photo:Ian Waldie/gettyimages

Martine, a flight attendant, serving meals on a British Airways Concorde, UK, August 1983.　Photo:M. McKeown/gettyimages

A line-up of some of the air stewardesses who attend to passengers on board the supersonic jet the 'Concorde', each one from a different airline.  Photo:Keystone/gettyimages

British Airways Concorde Supersonic Jet Is Moved Backed To Intrepid Air, Sea And Space Museum After Restoration（March 14, 2024 in New York City）　Photo:Michael M. Santiago/gettyimages