An aircraft carrier is a warship designed with a primary mission of deploying and recovering aircraft, acting as a seagoing airbase. Aircraft carriers thus allow a naval force to project air power worldwide without having to depend on local bases for staging aircraft operations. They have evolved from wooden vessels used to deploy balloons into nuclear-powered warships that carry dozens of fixed wing and rotary-wing aircraft.
Aircraft carriers are typically the capital ship of a fleet, and are extremely expensive to build and important to protect. Of the ten nations that possess an aircraft carrier, seven possess only one. Twenty-one aircraft carriers are currently active throughout the world with the U.S. Navy operating 11 as of June 2011.
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“When toddlers are unable to speak about urgent matters, they must resort to crying or screaming. This happens even with adults. The voice is the carrier of emotion, and when speech fails us, we need to cry out in whatever form we can to convey our meaning. Often, what passes for negativism is really the toddlers desperate effort to make herself understood.”
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