Little was known about the reasons behind the return, but German media cited a number of crucial "software and hardware defects" that made the warship useless if deployed on a combat mission.
关于此次退回的原因，外界知之甚少，但德国媒体援引了一些关键的“软件和硬件缺陷”，称这些缺陷将导致战舰在执行作战任务时毫无用处。