on 2 august, bauer achieved his first success in command of "ub-46" when the japanese steamer "kohina maru" was sunk off alexandria just short of her destination of port said. a week later the u-boat sank the greek sailing vessel "basileios" which was headed back to the adriatic from egypt. on 2 october, bauer torpedoed "huntsfall" which was carrying hay to salonica, and took the ship's master prisoner. the british steamer was the largest ship sunk by "ub-46".