8 ▁June , ▁then ▁returned ▁to ▁port ▁on ▁ 1 ▁July . ▁ ▁On ▁ 1 3 ▁July ▁ 1 9 4 3 , ▁the ▁boat ▁depart ed ▁Al gi ers ▁to ▁pat rol ▁in ▁the ▁G ulf ▁of ▁Gen oa ▁and ▁east ▁of ▁C ors ica . ▁Four ▁days ▁later , ▁S ick le ▁fired ▁three ▁tor ped o es ▁at ▁an ▁Italian ▁con voy ▁without ▁success . ▁On ▁ 1 8 ▁July , ▁she ▁s ank ▁with ▁gun fire ▁two ▁Italian ▁mines we ep ers , ▁No . ▁G . 6 1 ▁and ▁No . ▁R . 1 6 4 , ▁east ▁of ▁G org ona , ▁Italy . ▁The ▁next ▁day , ▁she ▁s ank ▁another ▁Italian ▁mines we eper , ▁V ▁ 1 3 1 , ▁off ▁Porto - Vec chio , ▁C ors ica . ▁S ick le ▁next ▁attacked ▁the ▁Italian ▁merchant ▁ship ▁Alfred o ▁Ori ani ▁with ▁seven ▁tor ped o es ; ▁two ▁hit , ▁but ▁the ▁ship ▁did ▁not ▁sink ▁and ▁was ▁to wed ▁back ▁to ▁port . ▁The ▁sub marine ▁also ▁missed ▁the ▁German ▁oil ▁tank er ▁Champ agne ▁on ▁ 2 2 ▁July , ▁then ▁returned ▁to ▁Al gi ers ▁on ▁ 2 8 ▁July . ▁Dr um mond ▁was ▁awarded ▁the ▁Dist ingu ished ▁Service ▁Order ▁at ▁the ▁end ▁of ▁this ▁pat rol . ▁ ▁She ▁began ▁a ▁new ▁pat rol ▁on ▁ 1 7 ▁August , ▁operating ▁east ▁of ▁C ors ica . ▁After ▁pat rolling ▁for ▁eleven ▁days ,