This futuristic plane would be expected to achieve supersonic speeds, possibly surpassing the speeds of the supersonic transport planes that ran commercially in the late twentieth century.

这架未来的飞机预期会达到超音速，也许会超越20世纪后期商业运营的超音速飞机。

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This powerful plane combined high supersonic speed (1800 km/h) with significant fire range.

这架威力无比的飞机有着极高的速度（1800公里/小时），同时有着非常远的火力射程。

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Since the world's only supersonic commercial plane made its first French maiden voyage on 2 March, 1969, celebrities have always been attracted to the cachet of Concorde.

BBC: Concorde: Loved by the rich and famous

We should remember that Presidents Lyndon Johnson and Richard Nixon wanted the U.S. to build a supersonic transport (SST) plane because the British and French were doing so.

WSJ: Michael Boskin: Washington's Knack for Picking Losers