日本：なぜ沖縄は米軍にとって戦略的に重要なのか（DW English） (Japan: Why Okinawa is strategically crucial for US military: DW English) https://www.dw.com/en/japan-why-okinawa-is-strategically-crucial-for-us-military/a-67502058 紛争｜日本 …