 The British codenamed Jan Mayen 'Island X' and attempted to reinforce it with troops to counteract any German attack.The Norwegian patrol boat ran aground on Nansenflua, one of the islands' many uncharted lava reefs and the 68-man crew abandoned ship and joined the Norwegian team on shore.The British expedition commander, prompted by the loss of the gunboat, decided to abandon Jan Mayen until the following spring and radioed for a rescue ship.