美国海军计划在其舰载战斗机上装备一种相对低成本的高超音速导弹，专家表示，这种武器可能对保护中国军舰和沿海军事设施的防空系统构成新挑战。
The US Navy aims to field a relatively low-cost hypersonic missile on its carrier-based fighters, a weapon that could pose a new challenge to the air defences protecting Chinese warships and coastal military installations, experts said.
总部位于加州的国防公司Castelion研发的“黑胡子”导弹设计为可飞行速度超过音速五倍，能够打击舰船和陆地目标。与更昂贵的高超音速武器不同，该项目在研发过程中强调可负担性和大规模生产...
California-based defence company Castelion’s Blackbeard is designed to fly at more than five times the speed of sound and strike ships and land targets. Unlike more expensive hypersonic weapons, it is being developed with an emphasis on affordability and mass...