ship which Shackleton used on his Antarctic expedition of 1907–1909, and Eddie Shackleton was named after the explorer's son. The motto of Endurance, "fortitudine vincimus" ("by endurance, we conquer"), was also the Shackleton family motto. Footnotes External links MaritimeQuest photo gallery: HMS Endurance http://www.spri.cam.ac.uk/friends/events/endurance/letter3/ Icebreakers of the United Kingdom Survey vessels of the Royal Navy Patrol vessels of the United Kingdom 1990 ships British Antarctic Survey Ships built in Ulstein