What's the noun for launched? Here's the word you're looking for.
launch
(nautical) The boat of the largest size and/or of most importance belonging to a ship of war, and often called the "captain's boat" or "captain's launch".
(nautical) A boat used to convey guests to and from a yaucht.
(nautical) An open boat of any size powered by steam, naphtha, electricity, or the like. (Compare Spanish lancha.)