Harbor Defense Exercise

• 港口防御演习

Harbor Defense Exercise的用法和样例：

例句

1. Sea-based missile defense tests have been more successful than tests of the land-based interceptor system the Pentagon has deployed in Alaska and California.
   海上导弹防御演习比五角大楼部署在阿拉斯加和加利福尼亚陆地导弹拦截系统更加有效。