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

While the latest generation of both supersonic and hypersonic aircraft ... also have wings but use rocket engines and carry O2 on board. They also reach speeds of at least 17,400 mph, the rate ...

and the plane is the "first civil supersonic jet made in America." The sound barrier was broken for the first time in 1947, when Air Force pilot Capt. Chuck Yeager flew a rocket-propelled ...