Lighter than air “ships” seems today a 19th Century heritage. However, airships played an important part of naval warfare both in WW1 and WW2. In between airships, the largest air-going vessels ever built like those for the USN (aircraft carrier at that), USS Akron and Macon, disappeared in accidents, but one category, until then used for advertising, climbed back to the forth, taking the Navy blue for ASW patrols until the end of the war. But it was not the end. No only the remained in use, but new proposals went on all the way to the end of the Cold War. Here is the largely forgotten history of US Navy Blimps from 1916 to 1967 and the K-class in particular.
