After the war, the German surface ships that remained afloat (only the cruisers Prinz Eugen and Nürnberg, and a dozen destroyers were operational) were divided among the victors by theTripartite Naval Commission. The US used the heavy cruiser Prinz Eugen in nuclear testing at Bikini Atoll in 1946 as target ship. Some (like the unfinished aircraft carrier Graf Zeppelin) were used for target practice with conventional weapons, while others (mostly destroyers and torpedo boats) were put into the service of Allied navies that lacked surface ships after the war.