乱世孕育 1922年(大正11年),《华盛顿裁军条约》签订,根据条约的规定,日美主力舰的比例是3:5,而此时,日本的假想敌就是美国。如果两国开战,日本主力舰数量上的劣势是肯定了的事实。作战方式上如果是美方处于进攻势态,根据兰切斯特方程,在双方主力舰队交战之前必须使用小型舰艇对其进行逐次削弱,有较好的航程、适航性以及强大重型鱼雷攻击能力的舰队型驱逐舰很适合担当此任务,因此军 In 1922 (Taisho 11), the “Washington Disarmament Treaty” was signed. According to the treaty, the ratio of Japan-US main ships is 3: 5. At this time, Japan’s imaginary enemy is the United States. If the two countries started a war, the disadvantage of Japan’s number of major ships was affirmed. If the U.S. military is offensive, according to the Lanchester equation, the fleet that has to be weakened successively by small warships and has good range, seaworthiness and heavy heavy torpedo attack capability must be used before the main fleets of the two sides fight each other Destroyer is very suitable for this task, so the army