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Interesting Engineering on MSN1h
264-ton ‘Defiant’ US spy drone ship tested to hunt enemies in hostile watersThe USX-1 Defiant, a 240-metric-ton unmanned ship, could soon go for its months-long open-water cruise to demonstrate its ...
Interesting Engineering on MSN1h
US high-altitude spy balloons.The US Army is developing high-altitude spy balloons designed to track enemy stealth fighters beyond the reach of traditional ...
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