USN: Photographed at the Philadelphia Navy Yard, Pennsylvania, 25 September 1916. Note holes in superstructure and in the cage foremast caused by this accident. U.S. Naval History and Heritage Command Photograph. NH 61254.
On 21 September 1916, Michigan blew out her left hand gun in turret No. 2 during target practice. One man was injured by a piece of debris. After an investigation of South Carolina's guns it was discovered that copper deposits from the driving bands on the projectiles had narrowed the bores of the barrel enough that it caused the projectiles to slow down. This problem, known as "copper choke", allowed the pressure in the barrel to increase to dangerous levels. Lapping heads, to remove these deposits, were issued for all guns 12-inch and larger throughout the fleet. The lapping heads were later replaced by wire and pisaba brushes.
HMS Prince of Wales as she trains all her guns to port. Note the camouflage, which is consisted of 5 colours, making her the most colourful battleship in the fleet [
USN:
Battle line formed off Japan for bombardment. In order: USS Massachusetts, USS Indiana, cruisers USS Quincy and Chicago. Seen from rear of USS South Dakota
USS George H.W. Bush with USS Gerald R. Ford at Norfolk Naval Station.
LHD-7 USS Iwo Jima
LCS 4 USS Coronado during Ship Survivability Trial Jan 2016
USS Crommelin transits the Pacific Ocean with Mt. Fuji in the background. Crommelin is underway supporting security and stability in the Pacific, 21NOV2009.
Imperial Japan:
Heavy cruiser Nachi during full-power trials in November, 1928.
Mogami-class cruiser, likely the Kumano, under attack by U.S. Navy aircraft of Carrier Air Group 7 (CVG-7) following the Battle of Leyte Gulf, 26 October 1944
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