Premise: The "Charleston"-class amphibious cargo ships were a class of amphibious cargo ships in service with the United States Navy. These ships served in Amphibious Readiness Groups between 1968 and 1994. The ships were the last amphibious cargo ships built for the U.S. Navy, their role having been taken over by amphibious transport docks.
Hypothesis: he "Charleston"-class  was made more than 0 times