The Twin Sisters  

It seems that the two commanders of Mazone's elite ten-dollar ho brigade have a strategy to destroy Arcadia by anchoring it with gravity beams, launching missiles and warships to attack it, and then placing it between two planets. On the other hand, Harlock's counterstrategy involves attacking them and rescuing Mayu despite the odds, demonstrating why this show is called Captain Harlock instead of Invincible Space Tramps.