After the conclusion of the Review, Admiral Graf Spee returned to Spain for a fourth non-intervention patrol. Following fleet maneuvers and a brief visit to Sweden, the ship conducted a fifth and final patrol in February 1938.[11] In 1938, KzS Hans Langsdorff took command of the vessel;[8] she conducted a series of goodwill visits to various foreign ports throughout the year.[11] These included cruises into the Atlantic, where she stopped in Tangier and Vigo.[12] She also participated in extensive fleet maneuvers in German waters. She was part of the celebrations for the reintegration of the port of Memel into Germany,[11] and a fleet review in honor of Admiral Miklós Horthy, the Regent of Hungary.