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usn USN = United States Navy 美國海...

usna

The company has been working with the usn to identify areas where ship complementing can be reduced , with the new nuclear propulsion plant and the new aircraft launch and recovery systems offering the main opportunities 這種發動機將在阻攔的動態過程中有效降低阻攔索拉力的峰值,并對著艦鉤掛上阻攔索的整個過程以及飛行最終停止的位置進行準確的控制。

Ww2 usn lcm crew 美國海軍lcm登陸艇船員