The U.K. Ministry of Defense (MOD) has been studying the use of the trimaran hullform for its Future Surface Combatant. As part of its research and risk reduction process an ocean going demonstrator Research Vessel (RV) Triton was procured by QinetiQ, the former U.K. Defence Evaluation and Research Agency. From October 2000 to March 2002 it was used in these risk reduction trials and is now available for hire as a general trials ship. Over the past seven years the U.K. Ministry of Defence (MOD) has explored in some detail the potential benefits of a trimaran. Hydrodynamic and structures studies by QinetiQ together with design investigations by the U.K.