In this Oct. 28, 2007, file photo, Japan Ground Self-Defense Force tanks rumble during a military parade, marking the 57th anniversary of the founding of the Japan Self-Defense Forces at Asaka Base, north of Tokyo. Japan should refocus its defense strategy on the rise of China and not on the Cold War threat of Russia, according to new guidelines announced Friday Dec. 17, 2010. (AP Photo/Itsuo Inouye, File)

Photo by: Itsuo Inouye

In this Oct. 28, 2007, file photo, Japan Ground Self-Defense Force tanks rumble during a military parade, marking the 57th anniversary of the founding of the Japan Self-Defense Forces at Asaka Base, north of Tokyo. Japan should refocus its defense strategy on the rise of China and not on the Cold War threat of Russia, according to new guidelines announced Friday Dec. 17, 2010. (AP Photo/Itsuo Inouye, File)