Let us spell out for you since you seem to not get it...they could just have easily been our defense installations, naval ports and yards, etc.
Try again in English.
Try what? Guess your English does not bear close scrutiny.
So what's your solution?
Try what?
Better sentence structure.
And Google is showing the enemy which you refuse to admit, exactly where and how to hit us.
Yes, I refuse to admit any enemy. That's why I'm in favor of a strong military.