1923年,美亚历山大海军鱼雷工厂被并入华盛顿海军船厂,停止发展鱼雷,纽波特海军鱼雷工厂从此成为美国鱼雷业的垄断商。20世纪30年代,纽波特发展了三种新型鱼雷,供不同的发射平台使用,这就是有“三重唱”之称的MK13、MK14和MK15。尽管美国海军从30年代中期就开始重整军备,但第二 In 1923, the United States Alexander Navy torpedo factory was incorporated into the Washington Navy Shipyard, stop the development of torpedoes, Newport Navy torpedo factory from the United States became the torpedo industry monopoly. In the 1930s, Newport developed three new types of torpedoes for use on different launch platforms: the MK13, MK14 and MK15, known as the “Trio.” Although the U.S. Navy began to restructure its armaments from the mid-1930s, it is the second