Naval ships from (Bottom to top) Japan,... [Getty Images]

PACIFIC OCEAN, JAPAN: Naval ships from (Bottom to top) Japan, United States and India (tow ships) operate the first joint naval exercise in the Pacific Ocean off the coast of Japan's Chiba prefecture, 16 April 2007. Japan sent four escort vessels to the drill off Japan's east coast, where two US destroyers and three Indian warships joined the exercise. AFP PHOTO/JAPAN POOL via JIJI PRESS JAPAN OUT (Photo credit should read JAPAN POOL/AFP via Getty Images)

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