 Complete the following phrase:  While no ship of the class served for a long period, the last being out of service by 1818, the class still provided important service in a wide variety of locations during the Napoleonic War and War of 1812 including the Mediterranean Sea, English Channel, and the Leith, Leeward Islands, Lisbon, Downs, Jamaica, and North America stations. Key actions of the class include Pallas in the Walcheren Campaign, Jason in the action of 22 January 1809, and Circe in the 