Japan had better consider constitutional reform.
No 9 is out of date.
Japan had better write S.D.F. in constitution.
Now the situation of Korean peninsula is very strict.
Near the future the situation of China and Russia will be worse and worse.
The big civil war may occur soon.
The power of Japanese S.D.F"Japanese force" can protect big troubles of Asia.
So, Japan had better consider constitutional reform.
For the world peace.