The term 'Fleece-Bearing Craft' refers to the ARGO, a four-letter vessel from Greek mythology. The ARGO was a ship built by the hero Jason and his band of Argonauts in order to retrieve the Golden Fleece from Colchis. It was constructed with the help of the god Hephaestus and was said to be the first ship to have sails. The ARGO was also the first ship to have a keel, which allowed it to sail against the wind. The ARGO and its crew were successful in their mission and returned with the Golden Fleece.