A última operação comercial supersônica regular do mundo aconteceu há quase 23 anos, um voo da British Airways entre Nova York e Londres, em 24 de outubro de 2003

The U.S. is clearing away regulations for a new era of supersonic flight, promising faster long-distance travel without the boom.

The US is taking steps to reverse an over five-decade ban on trans-continental supersonic flights as it unveiled a proposed rule that sets noise-based standards for operating such…