The top U.S. naval officer said Tuesday that forces under his command are "fully prepared" for any further nuclear or missile tests undertaken by North Korea, hinting that further pressure, including from the military, can be applied if needed."We are more challenging (to North Korea) if we are less predictable," Adm. John Richardson, chief of U.S. naval operations, said in an interview with Kyodo News and other media at the navy's Yokosuka base near Tokyo.In the face of growing threats posed by North Korea's nuclear development and ballistic missile launches, the U.S. Navy and the Japanese…READ FULL ARTICLE