Dee ihe na-aga n'ihu maka paragraf a - Mgbe emechara mkpochapụ site na Dunkirk, ndị agha Britain gara n'ihu na-arụ ọrụ na France, na Operation Ariel na-ekere òkè na ọkara nke abụọ nke June 1940 iji kpochapụ ndị fọdụrụ na ndị agha Britain site na ọdụ ụgbọ mmiri dị n'ebe ọdịda anyanwụ France. "Calcutta" sonyere na Operation Ariel, na-enye mkpuchi mgbochi ụgbọelu maka ndị na-apụ na Saint-Jean-de-Luz na South-East France, na nso ókèala na Spain site na 23 ruo 25 June, mgbe nkwekọrịta nkwekọrịta France na Germany
kwụsịrị ndị mmadụ ịpụ. Na njem nlọghachi, "Calcutta" nọ na ụlọ ọrụ ndị agha Canada na, mgbe n'anyasị nke June 25 "Calcutta" kụrụ "Fraser" n'akụkụ ọnụ mmiri Gironde, na-egbutu onye na-ebibi ihe abụọ. Akụkụ ihu nke "Fraser" mikpuru ngwa ngwa, ebe akụkụ azụ ya mikpuru site na "Restigouche". "Calcutta" emebighị emebi.