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.
caliber gun Mk mod. en Diagram of United States Navy caliber gun Mk Mod Gun Mount And Turret Catalog Ordnance Pamphlet Navy Department Bureau of Ordnance This is work of the United States Navy thus is public domain PDUSGovMilitaryNavy caliber gun
Page 2023 Free-images.com. All images are Public Domain