▁S ick le ▁tor ped o ed ▁and ▁s ank ▁the ▁German ▁esc ort ▁ship ▁, ▁which ▁was ▁esc ort ing ▁a ▁con voy . ▁S ick le ▁then ▁ended ▁her ▁pat rol ▁on ▁ 5 ▁September . ▁ ▁On ▁ 2 2 ▁September , ▁S ick le ▁left ▁Al gi ers ▁to ▁pat rol ▁the ▁G ulf ▁of ▁Gen oa ▁in ▁the ▁same ▁area ▁as ▁in ▁her ▁previous ▁pat rol . ▁In ▁the ▁evening ▁of ▁ 2 8 ▁September , ▁the ▁sub marine ▁land ed ▁two ▁men ▁near ▁S est ri ▁Lev ante , ▁Italy ; ▁their ▁mission ▁was ▁to ▁gather ▁intelligence ▁as ▁well ▁as ▁organ ize ▁resistance ▁movements ▁and ▁esc apes ▁of ▁Al lied ▁prisoners ▁of ▁war ▁to ▁Switzerland . ▁On ▁ 3 0 ▁September ▁and ▁ 3 ▁October , ▁S ick le ▁attacked ▁a ▁small ▁coast al ▁trad ing ▁vessel ▁and ▁a ▁sub marine ▁ch aser ▁with ▁three ▁tor ped o es ▁each , ▁missing ▁with ▁all ▁six . ▁The ▁boat ▁then ▁returned ▁to ▁Al gi ers ▁on ▁ 1 0 ▁October . ▁ ▁Be ir ut ▁Between ▁ 2 5 ▁October ▁and ▁ 1 ▁November , ▁S ick le ▁sa iled ▁from ▁Al gi ers ▁to ▁Be ir ut , ▁in ▁Al lied - occup ied ▁Leb anon , ▁then ▁shift ed ▁to ▁Ha ifa . ▁On ▁ 1 1 ▁November , ▁the ▁boat ▁depart ed ▁Ha ifa ▁to ▁conduct ▁a ▁war ▁pat rol ▁in ▁the ▁A ege an ▁Sea . ▁S ick le ▁first ▁s ank ▁with ▁gun