试飞员肯·柯林斯(他在51区的飞行代号为肯·科尔马)在低空测试飞机的亚音速发动机时遭遇了可怕的事故。
Things went horribly wrong for test pilot Ken Collins (flying under his Area 51 code name Ken Colmar) when testing the plane's subsonic engines at low altitude.
此时，为了转移人们对此事件的注意力，波音宣布高亚音速巡航机，甚至夸大其辞。
When Boeing tried to distract attention from this flop by announcing a near-supersonic long-haul jet dubbed the sonic Cruiser, it fell even flatter on its face.
波音公司的“亚音速终极绿色飞行器研究”（SUGAR）团队检验了5个概念。
The Boeing Company's Subsonic Ultra Green Aircraft Research, or SUGAR, team examined five concepts.
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