PORT VISIT Japan Maritime Self-Defense Force Oyashio class submarine JS Mochishio arrives on Joint Base Pearl Harbor-Hickam, Hawaii, Oct. 31, 2011. Mochishio will be conducting both in-port and at-sea training on undersea tactics, anti-submarine warfare and war time strategies. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 364193-X-NNX77-507.jpg Photo Gallery