 For the first time in her career , U @-@ 38 would head to sea with a new commander , Korvettenkapitän Heinrich Schuch . She left on 6 August , for a five @-@ week patrol in the North Atlantic . During this time one ship was hit , the Panamanian steam freighter SS Longtanker on 18 August . U @-@ 38 returned to Lorient on 14 September 1941 . 
