I wrote earlier about Chinese reports that surface-to-surface missiles intended to defend Japanese territory from Chinese incursions would be placed in Kumamoto:

https://www.facebook.com/Kumamotoi/posts/657328894340546

This article from Japan’s conservative Sankei Newspaper confirms that the missiles will be stored at the Kengun base in Kumamoto City.

http://sankei.jp.msn.com/politics/news/140615/plc14061506300003-n1.htm