 Complete the following phrase:  Drury commanded Neptune for the next two years, until his promotion to rear-admiral in 1804. He departed the ship on 13 May 1804, and the following day Captain Sir Thomas Williams took over. Neptune spent the rest of 1804 deployed with the Channel Fleet, blockading the French Atlantic ports. During this time Captain Williams health progressively worsened, and he was invalided back to Britain on 7 May 1805. He was replaced by Captain Thomas Fremantle on 8 May, and was sent to join Robert Calders force blockading Ferrol, after the Franco-Spanish fleet had arrived there after the 