she was known for having among her fleet, the ss leviathan, which for a time held the title of the "world largest passenger ship" until the launch of the "queen mary" in 1934, the ss america (which ran aground and sank off fuerteventura in the canary islands) and the ss united states, which currently holds the title of the "fastest passenger ship" in history on the transatlantic route, with a speed of 38.32 knots, the united states is currently anchored on the delaware river at pier 82 in philadelphia, pennsylvania.