Kutevera kupedzwa kwekubudiswa kubva kuDunkirk, mauto eBritish akaramba achishanda muFrance, neOperation Ariel ichitora chikamu muhafu yepiri yaJune 1940 kubvisa masara emauto eBritish kubva kuzviteshi zvengarava kumadokero kweFrance. "Calcutta" yakatora chikamu muOperation Ariel, ichipa anti-aircraft cover yekubuda kubva kuSaint-Jean-de-Luz muSouth-East yeFrance, pedyo nemuganhu neSpain kubva musi wa23 kusvika 25 Chikumi, apo Armistice pakati peFrance neGermany
kwakagumisa kubviswa kwavanhu. Parwendo rwokudzoka, "Calcutta" yakanga iri mukambani nevatongi veCanada uye, apo manheru e25 June "Calcutta" yakarwisana ne "Fraser" kure nemvura yeGironde, ichigura mutambudzi muzviviri. Rutivi rwokumberi rwe"Fraser" rwakanyura nokukurumidza, nepo rutivi rweshure rwakanyudzwa ne"Restigouche". "Calcutta" yakanga isina kukuvadzwa.