URL: https://digitalcollections.hoover.org/objects/40893 Collection Structure Poster collection > Dilbert dove in on so many white caps they finally showed him what a wake, feather and swirl looked like. Item Title Dilbert dove in on so many white caps they finally showed him what a wake, feather and swirl looked like. Collection Title Poster collection Issuing Body United States. Navy. Training Division Publisher United States. Government Printing Office Date Created 1941/1945? Description Cartoon of an officer instructing a pilot on the true submarine signs. Subject(s) Navy World War, 1939-1945 Aviation Submarine warfare United States Anti-submarine warfare Naval operations, American Naval education Language(s) English Country of Origin United States Country of Origin United States Place Published Washington, United States Dimensions Overall: 10 x 14 in. (25.4 x 35.6 cm) Format Poster Medium political posters Color color Color color Hoover ID Poster US 7037 Record Number XX343.31269 Collection Guide https://oac.cdlib.org/findaid/ark:/13030/kt829015km Rights This work may be protected by copyright laws and is provided for educational and research purposes only. Any infringing use may be subject to disciplinary action and/or civil or criminal liability as provided by law. If you believe you are the rights holder and object to Hoover's use of this work, please contact the Hoover Institution Library & Archives.