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.
USS Croaker. USSCroaker navsource org htm Starboard side view of the Croaker SSK underway circa mid 's US Navy photo courtesy of org PDUSGovMilitaryNavy original upload log page en USSCroaker Wwoods bytes no navsource org htm USS Croaker SS
Page 2023 Free-images.com. All images are Public Domain