二战:最让人失望的水下力量日本是世界上最早建立成建制潜艇部队的国家之一。在目睹了德国潜艇部队在第一次世界大战中的良好表现之后,日本帝国海军就立刻将这种新锐的水下兵器纳入自己的军备发展计划。经过多年苦心经营,到太平洋战争爆发时,日本海军已经拥有一支数量可观的潜艇战队,其装备的各型潜艇总数已接近 World War II: The Most Disappointing Underwater Force Japan is one of the first countries in the world to establish a submarine force. After witnessing the good performance of the German submarine force during the First World War, the Imperial Japanese Navy immediately included such a cutting-edge underwater weapon in its own arms development plan. After years of painstaking efforts to the outbreak of the Pacific War, the Japanese Navy already has a considerable number of submarine clan, the number of its various types of submarines are close to