海上自衛隊、世界初のレールガン洋上射撃に成功
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2 : https://video.twimg.com/ext_tw_video/1714144641396903937/pu/vid/avc1/1280x720/tQv7TQF1UvHZ27tD.mp4 https://twitter.com/atla_kouhou_jp/status/1714204056087126105#防衛装備庁 は、#海上...
