Cosmowarrior Zero

The long war between the planet Earth and the machine men is finally over, resulting in a peace that is more a victory for the machine men than the Earth. Warrius Zero lost his family in the war to the machine men but despite this he is still is a member of the Earth fleet that is now working in concert with the machine men. His ship, made up of both humans and machine men, has been given a near impossible task: capture the space pirate Captain Harlock. (myanimelist.net)