Re: How to keep us safe...
Tell that to the Japanese, I'm sure they'll be chuffed to find that out.
From actually living here I can tell you that a great many Japanese are bloody terrified of nuclear weapons and actively cringe when any large low flying military (or defense force if it's Japanese) aircraft is flying within sight.
70 years since WW2 ended and they still get scared shitless because they worry about being bombed. Even when you try telling them that it's only a transport or a Coast Guard plane they don't relax one bit.
Oh and Japan? Zero nukes.