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National Security Journal on MSN52 分钟
The U.S. Navy’s Big Constellation-Class Frigate Mistake Still Stings
The Constellation-class (FFG-62) sprang from a simple need: a real escort to free destroyers for harder jobs and spread ...
New X-ray data from NASA’s Chandra telescope reveals Cassiopeia A’s chaotic final hours, showing how dying stars collapse and explode.
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