NASA's X-59 completes a record six test flights in one week.

NASA said the X-59 flew twice on September 22, 24 and 25, completing six flights in a single week. That exceeded the program's previous weekly record by two flights while the aircraft continued expanding its tested range of speeds and altitudes.

The Quesst program is designed to replace the disruptive sonic boom with a quieter sonic thump. NASA ultimately plans to collect community-response data that regulators could use when considering rules for commercial supersonic flight over land.