the most significant was the one pictured here admiral max horton. would serve in this role from 1942 to 1945. he a former submariner himself. he had extensive experience as a submarine captain in the baltic in the first world war, and in fact he would command the british submarine until 1942. he thus had a very good sense of what rader and dennis were going to attempt to do with submarines and proved quite astute in coming up with counter strategies. for a variety of reasons. while the german air force and army had made huge technologic strides in the interwar period. we've talked about the development of radio, the improvement of aircraft and armor design. the german navy had somewhat less success. the main german submarine at the start, the second world war was the type submarine pictured here. it basically a slim steel cylinder, about 170 feet long and 30 feet across. it had large diesel engines, two propel it through the water. these engines also charged a battery that was used for movement while underwater. now by the way, you'll see a lot of m