
日本政府研議在年底修訂的安保文件中納入核動力潛艦相關探討,引發國際高度關注,美方部分智庫與軍方人士對此抱持開放態度。
日本政府研議在年底修訂的安保文件中納入核動力潛艦探討,引發國際關注。美國智庫與軍方人士指出,日本若擁有核動力潛艦,將有助遏止中國海軍擴張,在菲律賓海與南海的作戰時間將遠超常規柴電動力潛艦。
AI-generated summary
日本政府正研議在年底修訂的安保文件中納入核動力潛艦相關探討,美國部分智庫與軍方對此抱持開放態度。
日本海上自衛隊大鯨級潛艦「長鯨號」(SS-517)航行畫面。該艦由三菱重工建造,採柴電動力;日本目前正研議下一代潛艦是否採用核動力推進。
日本政府研議在年底修訂的安保文件中納入核動力潛艦相關探討,引發國際高度關注。除了日本政壇內部討論,美國部分智庫與軍方人士近期也對此抱持開放態度。美方專家分析指出,日本若能擁有核動力潛艦,將有助遏止中國海軍擴張,其在菲律賓海與南海的持續作戰時間,更將遠超現有的常規柴電動力潛艦。
日本防衛大臣小泉進次郎10月下旬在國會會議中表示,就下一代潛艦引進核動力等推進系統「探討各種不同選項」,釋出正面訊號。隨著中國海軍持續擴大在第一島鏈外的活動,美方部分軍方與智庫對日本水下戰力的態度也出現轉變。
美國智庫「美國企業研究所」(AEI)報告指出,核動力潛艦能讓日本在遏止中國海軍擴張與現代化方面扮演更重要角色。報告認為,中國海軍未來10年可能逐步轉型為以核動力潛艦為主體的艦隊結構;一名美國海軍官員9月受訪時也表示,東京當局應考慮取得核動力潛艦。
華府智庫「傳統基金會」(Heritage Foundation)資深研究員沙德勒(Brent Sadler)針對核動力潛艦的作戰效益進行評估。他估計,若以橫須賀為基地,日本核動力潛艦可在菲律賓海持續執行任務長達85天,是傳統柴電動力潛艦的兩倍以上;而在南海的持續作戰時間,更可達到柴電潛艦的4倍以上。
不過,報告也點出日本若要推進此一構想,面臨的挑戰相當艱鉅。除了美國必須打破僅與英國、澳洲分享核動力潛艦技術的慣例外,日本國內也必須建立獨立的核安全監管與監督制度,並培養操作與維護的專業技術人才。
東京大學名譽教授、核能安全與核燃料專家關村直人指出,擁有核動力潛艦與是否有能力安全操作應分開討論,且引進核動力潛艦也將衍生國際核不擴散條約相關問題,外交層面與法律風險均須妥善處理。
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日本政府在年底修訂安保文件時納入核動力潛艦探討
Likely · Within months

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