Uchû Senkan Yamato 2
Episode 25 “Yamato Toshi Teikoku Kōryaku Sakusen”

The Yamato launches a torpedo attack on the lower part of the city fortress from underwater, while the Cosmo Tiger squadron begins its attack from the air. When the surfaced city fortress returns to space, the Yamato pursues it. The Yamato, which has slipped into the lower part of the city fortress, discovers the fighter launch port. Kodai and his team successfully infiltrate the city fortress with the fighter squadron to destroy the power source. Leaving behind Sanada, who is wounded in the leg during the gunfight, Kodai and Saitō finally reach the city fortress's power source…