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.
GSh cropped. GSh by user jno kindly released into the public domain GryazevShipunov GSh AK mm cannon designed for use on Soviet and later Russian military aircraft AK jno GSh
Page 2023 Free-images.com. All images are Public Domain