In the year 2351, the flagship Mizar, under the command of Admiral Taneko, engaged a Tholian fleet at the Battle of Alphard. Taneko sacrificed his starship in the battle (by using the warp core as a bomb). (Last Unicorn RPG modules: The Price of Freedom, All Our Yesterdays: The Time Travel Sourcebook; Decipher RPG module: Starfleet Operations Manual)