The Kriegsmarine had to be virtually rebuilt after the First World War. In any case, the Kriegsmarine was not a navy designed to tackle a major fleet head-on in fleet engagements. Instead, it was a commerce raiding force. Coupled with excellent fire control C using radar and other means C and big guns to make use of it, these vessels were extremely potent weapons. It has been said that Hitler never really understood naval warfare; be that as it may, the Kriegsmarine suffered from a lack of funding and materials, and from the internal politics of the Nazi leadership. Among its greatest detractors was Herman Goering, who connived constantly to ensure resources flowed into his Luftwaffe to the detriment of the navy. Major warship projects suffered from constant stops and starts as resources were allocated, then redistributed to other projects. The Kriegsmarine continued to fight on with dwindling resources.