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.
AISUSCGOverview. badjpeg US Coast Guard system overview of Automated Identification System for ships Source navcen uscg gov pageName AISworks PDUSGov Automatic Identification System
Page 2023 Free-images.com. All images are Public Domain