Maine-class battleship

The three Maine-class battleships—Maine, Missouri, and Ohio—were built at the turn of the 20th century for the United States Navy. Based on the preceding Illinois class, they incorporated several significant technological advances over the earlier ships. They were the first American battleships to incorporate Krupp cemented armor, which was stronger than Harvey armor; smokeless powder, which allowed for higher-velocity guns; and water-tube boilers, which were more efficient and lighter. The Maines were armed with four 12-inch (305 mm) guns and sixteen 6-inch (152 mm) guns, and they could steam at a speed of 18 knots, a significant increase over the Illinois class.

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1901 — 1920  Wikimedia, Wikidata
Maine class
3 produced, 
pre-dreadnought battleship, United States Navy, Newport News Shipbuilding, William Cramp & Sons, Union Iron Works, 

Dreadnought, 

• Dreadnought Project page^@
​ ​ ​ ​ ​

Location: KML, Cluster Map, Maps,

• 

  USS Maine ⓘ
  1901 Maine-class battleship

• 

  USS Missouri ⓘ
  1901 Maine-class battleship

• 

  USS Ohio ⓘ
  1901 Maine-class battleship

Frameless

Six inch 50 cal US naval guns

Type	Subtype	Date	Description	Notes	Source
link	page		Dreadnought Project page@		Wikidata
object	watercraft		USS Maine	Maine-class battleship, pre-dreadnought battleship	Wikidata
object	watercraft		USS Missouri	Maine-class battleship, pre-dreadnought battleship	Wikidata
object	watercraft		USS Ohio	Maine-class battleship, pre-dreadnought battleship	Wikidata
commons	image		Six inch 50 cal US naval guns		Commons