The Yushin Maru No. 2 is a harpoon vessel in the ICR's fleet. It is identical to its sister ships, the Yushin Maru and the Yushin Maru No. 3. During Operation Migaloo Benjamin Potts & Giles Lane attempted to board the vessel and got arrested by the Whalers who held them hostage until they were picked up by the Oceanic Viking and returned to the Steve Irwin. Yushin Maru No. 2 like the rest of the Harpoon Boats have a bad habit of ramming Sea Shepherd vessels during transfers it and it's sisters have rammed the Bob Barker, the Steve Irwin, and the Sam Simon numerous times starting with Operation Musashi and ending with Operation Relentless with Yushin Maru No. 2 to doing the most damage.