This article is within the scope of the Aviation WikiProject. If you would like to participate, please visit the project page, where you can join the project and see lists of open tasks and task forces. To use this banner, please see the full instructions.AviationWikipedia:WikiProject AviationTemplate:WikiProject Aviationaviation articles
This article is within the scope of WikiProject Biography, a collaborative effort to create, develop and organize Wikipedia's articles about people. All interested editors are invited to join the project and contribute to the discussion. For instructions on how to use this banner, please refer to the documentation.BiographyWikipedia:WikiProject BiographyTemplate:WikiProject Biographybiography articles
This article has been given a rating which conflicts with the project-independent quality rating in the banner shell. Please resolve this conflict if possible.
This article is within the scope of WikiProject Cold War, a collaborative effort to improve the coverage of the Cold War on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Cold WarWikipedia:WikiProject Cold WarTemplate:WikiProject Cold WarCold War articles
This article is within the scope of WikiProject United States, a collaborative effort to improve the coverage of topics relating to the United States of America on Wikipedia. If you would like to participate, please visit the project page, where you can join the ongoing discussions.
Start a discussion about improving the Otto C. Koppen page
Talk pages are where people discuss how to make content on Wikipedia the best that it can be. You can use this page to start a discussion with others about how to improve the "Otto C. Koppen" page.
