 U @-@ 38 would depart Wilhelmshaven for the last time on 1 August 1940 , again with Heinrich Liebe in command . On this month @-@ long patrol off the western coast of Ireland , U @-@ 38 would hit and sink three ships , all of which were in convoy at the time of attack . On 7 August the Egyptian liner SS Mohamed Ali El @-@ Kebir was sunk while traveling with HX @-@ 61 , from Halifax to Gibraltar , 320 died . The British steam freighter SS Llanfair was hit and sunk , travelling as part of SL @-@ 41 from Sierra Leone to England . The third and final ship hit on the sixth patrol of U @-@ 38 was the British steam freighter SS Har Zion , while travelling with the Convoy OB @-@ 225 , from Liverpool to the United States . After four weeks at sea Liebe returned U @-@ 38 to her new home port of Lorient in France on 3 September 1940 . 
