41.   Today, however, the reinvention is happening at supersonic speed, in medicine as in most high-technology fields.

42.   When you want to fly at supersonic speeds, you have to pack a lot of power into a compact engine.

43.   A scramjet engine only works when air flows through it at supersonic speeds.

44.   All versions will have stealth technology and fly at supersonic speeds.

45.   It detects, identifies and then places a priority on threats approaching at supersonic speeds.

46.   It was to fly at supersonic speeds.

47.   Lombardi said Boeing has continued to study traveling at supersonic speed.

48.   Navy Cmdr. Charlie Gillman said the bombers will not create as much noise as anticipated because they will fly high and not reach supersonic speeds.

49.   The flight was aimed at checking various systems at supersonic speed.

50.   The Joint Strike Fighter combines supersonic speed with stealth technology to evade radar.