NASA testing 'quiet' sonic boom aircraft in race to create next Concorde super plane Space agency NASA has devised a new aircraft that would be capable of reaching the speed of sound – but without creating a resulting thunderous, and startling, sonic boom Updated The video will auto-play soon8Cancel Play now The Daily Star's FREE newsletter is spectacular! Sign up today for the best stories straight to your inboxInvalid EmailSomething went wrong, please try again later. Sign up today! When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice.