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According to a government document seen by Reuters, the Pentagon is seeking proposals to stockpile a six-month, rotating supply of neodymium iron boron (NdFeB)...
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According to a government document seen by Reuters, the Pentagon is seeking proposals to stockpile a six-month, rotating supply of neodymium iron boron (NdFeB)...
An aircraft is considered hypersonic if it can travel at least 3,791 miles per hour. This is five times the speed of sound and...