A Japanese Ground Self-Defense Forces OH-1 helicopter lands during an annual training session on the Higashi-Fuji firing range in Gotemba, at the foot of Mt. Fuji in Shizuoka prefecture, Japan, Aug. 20, 2013. The annual drill originated from 1961 strengthens the training of offesive capacity this year. (Xinhua/Chen Rui)

A Japanese Ground Self-Defense Forces CH-47J helicopter takes a position during an annual training session at the Higashi-Fuji firing range in Gotemba, at the foot of Mt. Fuji in Shizuoka prefecture, Japan, Aug. 20, 2013. The annual drill originated from 1961 strengthens the training of offesive capacity this year. (Xinhua/Chen Rui)

A Japanese Ground Self-Defense Forces CH-47J helicopter takes a position during an annual training session at the Higashi-Fuji firing range in Gotemba, at the foot of Mt. Fuji in Shizuoka prefecture, Japan, Aug. 20, 2013. The annual drill originated from 1961 strengthens the training of offesive capacity this year. (Xinhua/Chen Rui)

 A ground-to-ship missile system of Japanese Ground Self-Defense Forces is seen during an annual training session at the Higashi-Fuji firing range in Gotemba, at the foot of Mt. Fuji in Shizuoka prefecture, Japan, Aug. 20, 2013. The annual drill originated from 1961 strengthens the training of offesive capacity this year. (Xinhua/Chen Rui)

A Japanese Ground Self-Defense Forces howitzer moves during an annual training session at the Higashi-Fuji firing range in Gotemba, at the foot of Mt. Fuji in Shizuoka prefecture, Japan, Aug. 20, 2013. The annual drill originated from 1961 strengthens the training of offesive capacity this year. (Xinhua/Chen Rui)

Japanese Ground Self-Defense Forces tanks move during an annual training session at the Higashi-Fuji firing range in Gotemba, at the foot of Mt. Fuji in Shizuoka prefecture, Japan, Aug. 20, 2013. The annual drill originated from 1961 strengthens the training of offesive capacity this year. (Xinhua/Chen Rui)