"This image makes the invisible visible — the first American made civil supersonic jet breaking the sound barrier." ...

People were aware of sonic booms, as military jets were capable of breaking the sonic barrier for a decade. However, there was no hard data about prolonged exposure to booms. The FAA decided to ...

That sound—a sonic boom—can startle people on the ground ... depend on when the jet actually gets airborne. Firefly's Blue Ghost witnessed Earth blocking out the Sun from its point of view ...

NASA and SpaceX are prepping a potentially photogenic sunset rocket launch Wednesday with clear skies across Florida's Space Coast, just 31 hours shy of a full moon — with sonic booms.