Operation Whale ("Unternehmen Wal" or "Unternehmen Walfisch" in German) was the name of two separate German Intelligence (Abwehr) plans conceived in 1940. * " Unternehmen Walfisch" was an aborted plan to land a seaplane on a lake in Ireland. Walfisch did not take place and planning was abandoned by July 1940. * "Unternehmen Wal" was an aborted plan devised in November 1940 to establish contacts with Welsh and Scottish nationalist groups in Britain in preparation for Operation Sea Lion ("Unternehmen Seelöwe" in German).The agent that was to undertake the mission was one of the Abwehr's Irish "experts", Helmut Clissmann. He was to be transported to Britain by Geistersegler (ghost sailor) Christian Nissen aka. "Hein Mück" or "Agent Hein". Planning for Whale took place when all Irish operati