The names of these ships might have been USS Lexington and USS Saratoga. The United States Navy began to think about battlecruiser construction even before HMS Dreadnought and HMS Invincible ...
The USS Lexington was found 3km (2 miles) underwater in the Coral Sea, about 800km off Australia's east coast. The ship was lost in the Battle of the Coral Sea, fought with Japan from 4-8 May 1942.