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 Grayling. USSGrayling navsource org htm PDUSN Grayling SS underway starboard view Date and place unknown US Navy photo courtesy of MMCM SS Greg Peterman USN Retired from his Goat Locker webpage Tambor class submarines Grayling
Page 2023 Free-images.com. All images are Public Domain