CNBCのインスタグラム(cnbc) - 6月22日 21時05分

China is currently testing the world's most powerful naval gun and people with direct knowledge of a U.S. intelligence report say it will be ready for war by 2025. Railguns use electromagnetic energy instead of gunpowder to propel rounds, and China's is capable of shooting a round that comparatively, if fired from Washington, D.C., could reach Philadelphia in under 90 seconds. *
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#CNBC #news #military #china #america #usa #politics

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