"To develop and deploy [a missile defense system] is one of the major options. Our nation should pursue this," he said."
Means several years from now they might be able to do something well short of what Shigeru Ishiba claims is necessary - perhaps tomorrow.
It IS probably time for a deal, we provide both surface to surface and surface to air capability and maybe a few electronic/surveilance bumps, and pull our troops away from Japanese soil with a promise to help out with airpower etc.
ROK also needs to make up its mind whether to be a target of Japan or a target of N. Korea.
Ah, the glories of a new world order.