A supercarrier is a ship belonging to the largest class of aircraft carrier, and generally has a displacement greater than 75,000 tons. Most countries that have carriers operate ones that have a displacement of less than 40,000 tons (such as Charles de Gaulle), and more often closer to 20,000 (such as HMS Invincible). Supercarriers currently hold the world record of the largest warships ever built; however, they're not the largest ships ever built, as the world’s largest supertankers are… (More on Supercarrier)