This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Phasen Maunsell Navy Fort. Darstellung der Phasen beim Versenken eines Maunsell Navy Fort german translation based on Stages In The Sinking Of Naval Fort svg by Indolences own assumed Martin Be Maunsell naval forts
Page 2023 Free-images.com. All images are Public Domain