▁miles ▁N W ▁of ▁Val lett a . ▁Their ▁Ma iale ▁was ▁recovered ▁by ▁the ▁British , ▁becoming ▁the ▁first ▁example ▁they ▁had ▁been ▁able ▁to ▁examine . ▁ ▁All ▁ 6 ▁M TM s , ▁both ▁S LC s ▁and ▁two ▁M AS ▁( MA S ▁ 4 5 1 ▁and ▁M AS ▁ 4 5 2 ) ▁boats ▁were ▁lost , ▁one ▁of ▁them ▁being ▁found ▁ad rift ▁in ▁open ▁se as ▁by ▁the ▁British ▁and ▁to wed ▁to ▁port ▁by ▁a ▁se ap lane . ▁This ▁dis aster ▁forced ▁the ▁unit ▁to ▁make ▁a ▁huge ▁re ass ess ment ▁of ▁its ▁operations . ▁Commander ▁Ern esto ▁For za ▁was ▁named ▁as ▁commander ▁of ▁the ▁Dec ima ▁M AS , ▁and ▁Borg h ese ▁became ▁leader ▁of ▁the ▁sub - sur face ▁weapons ▁group . ▁ ▁September ▁ 1 0 , ▁ 1 9 4 1 : ▁The ▁Sc ir é ▁depart ed ▁La ▁Spe zia ▁carrying ▁three ▁man ned ▁tor ped o es . ▁At ▁Cad iz , ▁Spain , ▁it ▁secret ly ▁emb ark ed ▁eight ▁crew men ▁for ▁them . ▁At ▁Gib ral tar , ▁the ▁man ned ▁tor ped o es ▁s ank ▁three ▁ships : ▁the ▁tank ers ▁Den by dale ▁and ▁F iona ▁Sh ell , ▁and ▁the ▁cargo ▁ship ▁Dur ham . ▁All ▁six ▁crew men ▁sw am ▁to ▁Spain ▁and ▁returned ▁safely ▁to ▁Italy , ▁where ▁they ▁were ▁decor ated , ▁as ▁were ▁the ▁crew ▁of ▁Sc ir é . ▁ ▁December ▁