An HMS ''Discovery'' , commanded by Charles Clerke , served as the consort the Captain James Cook 's third voyage of exploration, from 1776 – 1779 . This vessel was 230 tons. George Vancouver was a junior officer on this vessel.
Another 337 ton vessel named HMS ''Discovery'' was commanded by Captain George Vancouver on his voyage of exploration from 1791 to 1794 . This was the sixth vessel to be named HMS ''Discovery'' and the first recorded the sighting of Mount St. Helens by Europeans was by George Vancouver on May 19, 1792, while they were surveying the northern Pacific Ocean. This ship was converted to a Bomb Vessel in 1799 and took part in the Battle Of Copenhagen (1801) .
An HMS ''Discovery'', commanded by Captain George Nares , undertook a voyage of exploration in the Eastern Arctic in 1875–1876.
