Educational poster displaying various models of submarines and U-boats with accompanying specifications and historical details.

Framed poster featuring a collection of different submarines and U-boats from various eras and nations. Each submarine is illustrated in profile view and accompanied by text that likely provides details about its name, specifications, and historical context. The array includes a variety of designs and sizes, showcasing the evolution and diversity of submarines in naval history. The submarines are neatly organized, making it an educational and informative display.