Vostok (sloop-of-war)

Vostok was a 28-gun sloop-of-war of the Imperial Russian Navy, the lead ship of the First Russian Antarctic Expedition in 1819—1821, during which Faddey Bellingshausen (commander of the ship) and Mikhail Lazarev (commanding Mirny, the second ship) circumnavigated the globe, discovered the continent of Antarctica and twice circumnavigated it, and discovered a number of islands and archipelagos in the Southern Ocean and the Pacific.