Source : WSJ.com
TOKYO—When a Japanese coast guard cutter spotted a small Chinese aircraft flying above disputed East China Sea islands in December, Japan's air force scrambled eight F-15 fighter jets, but they reached the scene only after the intruder had left. Japan's radar or surveillance planes had missed the low-flying aircraft entering what the nation considers its airspace, causing a delay in scrambling.
The embarrassing incident underscores the need for Japan to beef up the defense of air, sea and land in its southwest, said Gen. Shigeru Iwasaki, the top uniformed official of Japan's military, known as the Self-Defense Forces. He said ..