[3] On January 15, 2008, two members of the Sea Shepherd Conservation Society, traveling on the MV Steve Irwin, boarded the Yūshin Maru No.

They were detained on board the ship for two days before being transferred to the Australian customs vessel MV Oceanic Viking.

[citation needed] On February 6, 2009, the MV Steve Irwin collided with the Yūshin Maru No.

2 as the activist vessel attempted to obstruct the transfer of a whale up the slipway of the factory ship Nisshin Maru.

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