Quesst Mission Image GalleryThis collection of images showcases the history, research, and operations associated with NASA's Quesst mission to enable the possibility of commercial supersonic flight over land. Originally designed as a supersonic interceptor for the Air Force, the YF-12A was a variant of Lockheed's A-12 reconnaissance plane....With Mach 1 and Mach 2 behind them, NACA engineers sought to expand on their research to fully understand the...This concept of an aircraft that could fly at supersonic speeds over land is being used by researchers, especially at...If human beings are ever to fly faster than the speed of sound from one side of the country to...This updated future aircraft design concept from NASA research partner Lockheed Martin shows a few changes from another concept seen...Our ability to fly at supersonic speeds over land in civil aircraft depends on our ability to reduce the level...The Bell X-1 rocket plane was the first to break the supposed sound barrier (or Mach 1) on Oct. 14,...This future aircraft design concept for supersonic flight over land comes from the team led by the Lockheed Martin Corporation....The X-51A successfully made the longest supersonic combustion ramjet-powered hypersonic flight to date off the southern California coast on May...