Keywords: Target practice at sea on USS Siboney.jpg USS Siboney ID 2999 Ship's after port side gun ready for loading during target practice at sea in August 1918 This gun is a 5 /51 Mark VIII with a Mark VII-2 breech Siboney carried four of these weapons Photographed by Machinist John G Krieger USN Donation of John G Krieger 1967 http //www history navy mil/photos/images/h43000/h43480 jpg US Navy Historical Center Photo NH 43480 1918-08 U S Naval Historical Center Photograph PD-USGov-Military-Navy USS Siboney ID-2999 |