Andromeda

Andromeda is the Flagship of the Earth Defense Fleet in the second season , it has at least twice the firepower of the Yamato, with two wave motion guns, four shock cannon turrets and it is commanded by Ryu Hijikata. It is first seen in 2201as Hijikata refuses to give way to Yamato as his fleet is wounded in a Comet Empire attack. The two ships cross paths again as the Andromeda tries to stop Yamato deserting Earth but later lets them escape. It is destroyed in the Battle of Saturn.

Space Battleship Yamato Wiki