sentences:  In his 1966 account of the incident, "The Wreck of the Memphis", Captain Edward L. Beach, Jr., son of "Memphis"s commanding officer Captain Edward L. Beach, Sr., described the heroic efforts of "Castine" to assist crewmen of "Memphis" who had been swamped in the motor launch.He also ascribed the events in the harbor to an unexpected tsunami exceeding in height, and this explanation has been carried forward by most sources discussing the incident.More recent research, however, has called this explanation into question.