<P> Supercarrier is an unofficial descriptive term for the largest type of aircraft carrier , typically those displacing over 70,000 long tons ( 71,000 metric tons ) . Supercarriers are the largest warships ever built , larger than the largest battleships laid down by any country . The United States Navy has 11 active supercarriers as of 2017 . The United Kingdom 's first Queen Elizabeth - class carrier is undergoing sea trials and is expected to enter service in late 2017 . The Soviet Union began constructing a supercarrier before cancelling it in 1991 . </P>
<P> Supercarrier is an unofficial descriptive term for the largest type of aircraft carrier , typically those displacing over 70,000 long tons ( 71,000 metric tons ) . Supercarriers are the largest warships ever built , larger than the largest battleships laid down by any country . The United States Navy has 11 active supercarriers as of 2017 . The United Kingdom 's first Queen Elizabeth - class carrier is undergoing sea trials and is expected to enter service in late 2017 . The Soviet Union began constructing a supercarrier before cancelling it in 1991 . </P>
who has the biggest aircraft carrier in the world
who has the biggest aircraft carrier in the world
United States
United States