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Today's featured article

The firepower of a battleship demonstrated by USS Iowa

A battleship is a large, heavily-armored warship with a main battery consisting of the largest caliber of guns. They are larger, better-armed and better-armored than cruisers. The word battleship was coined around 1794 and is a shortened form of line of battle ship, the dominant warship in the Age of Sail. In 1906, HMS Dreadnought heralded a revolution in battleship design, and for many years modern battleships were referred to as dreadnoughts. The global arms race in battleship construction in the early 1900s was a significant factor in the origins of World War I, which saw a clash of huge battlefleets at the Battle of Jutland. The construction of battleships was limited by the Naval Treaties of the 1920s and 1930s, but battleships both old and new were deployed during World War II. Despite this record, some historians and naval theorists question the value of the battleship. Aside from Jutland, there were few great battleship clashes. And despite their great firepower and protection, battleships remained vulnerable to much smaller, cheaper ordnance and craft: initially the torpedo and mine, and later aircraft and the guided missile. The growing range of engagement led to the battleship's replacement as the leading type of warship by the aircraft carrier during World War II, being retained into the Cold War only by the United States Navy for fire support purposes. These last battleships were removed from the U.S. Naval Vessel Register in March 2006. (more...)

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Today's featured picture

Compass rose

Replica of a compass rose from the chart of Jorge de Aguiar (1492), the oldest known signed and dated Portuguese nautical chart. It is a 32 point compass rose, meaning that the lines that radiate from its centre indicate 32 different geographic directions. The original chart is in the Beinecke Library at Yale University.

Image credit: Joaquim Alves Gaspar


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