THE LAST industrial supersonic flight was BA002, from New York to London, on October twenty fourth 2003. Blake Scholl, boss of Increase Supersonic, in Denver, hopes folks is not going to have to attend one other 20 years for the following. Increase’s putative Concorde substitute, Overture, which is meant to hold 64-80 passengers (Concorde carried 100), has not but been constructed. However on January twenty eighth XB-1, a one-third-scale demonstrator that the agency is utilizing to check its airframe expertise, broke the sound barrier for the primary time.