5"/51 caliber guns initially served as the secondary battery of United States Navy battleships built from 1907 through the 1920s, also serving on other vessels. United States naval gun terminology ind
5"/51 caliber Mark 8 gun on starboard forecastle of USS Texas, March 1914
On a US Navy transport ship c. mid 1942
USS Arizona was a Standard-type battleship built for the United States Navy in the mid-1910s. Named in honor of the 48th state, she was the second and last ship in the Pennsylvania class. After being
5-inch/51-caliber gun
…USS Pennsylvania (BB-38) USS Arizona (BB-39) USS New Mexico (BB-40…
Arizona's launch, 19 June 1915
Arizona on the East River, New York City (1916)
Arizona at the New York City naval review, leading ten dreadnoughts that paraded past Secretary of the Navy Josephus Daniels