▁Bart ol ome o ▁type ), ▁and ▁a ▁planned ▁ra id ▁on ▁New ▁York ▁City ▁were ▁called ▁off ▁due ▁to ▁the ▁Italian ▁surrender . ▁ ▁Sum mary ▁of ▁Al lied ▁ships ▁s unk ▁or ▁dam aged ▁by ▁Dec ima ▁M AS ▁ ▁Success or ▁units ▁Following ▁the ▁arm ist ice ▁of ▁Italy ▁on ▁September ▁ 8 , ▁ 1 9 4 3 , ▁the ▁X ª ▁M AS ▁was ▁dis band ed . ▁The ▁Bad og lio ▁government ▁in ▁the ▁south ▁of ▁Italy ▁under ▁Al lied ▁occupation ▁declared ▁war ▁on ▁Germany ▁and ▁became ▁a ▁co - bell iger ent . ▁Some ▁Dec ima ▁M AS ▁sail ors ▁joined ▁the ▁Al lied ▁cause ▁to ▁fight ▁against ▁Naz i ▁Germany ▁and ▁what ▁remained ▁of ▁the ▁A xis ▁as ▁part ▁of ▁the ▁Italian ▁Co - B ell iger ent ▁Navy . ▁A ▁new ▁unit ▁was ▁formed , ▁led ▁by ▁For za ▁and ▁joined ▁by ▁some ▁of ▁the ▁pione ers ▁such ▁as ▁de ▁la ▁P enne ▁newly ▁released ▁from ▁British ▁P OW ▁cam ps . ▁The ▁new ▁unit ▁was ▁named ▁Mari ass al to , ▁but ▁continued ▁to ▁be ▁an ▁el ite ▁naval ▁force ▁mount ing ▁special ▁operations ▁at ▁sea . ▁ ▁In ▁the ▁German - occup ied ▁north ▁of ▁Italy ▁M uss ol ini ▁set ▁up ▁the ▁ ▁Italian ▁Social ▁Republic ▁( Rep ub blica ▁Soc iale ▁Italiana , ▁or ▁R SI ) ▁to ▁continue ▁the ▁war ▁as ▁part ▁of ▁the ▁A xis . ▁Led ▁by ▁Borg h ese , ▁Dec ima ▁Fl ott iglia ▁was