Crisis Convoy: The Story of HX231, A Turning Point in the Battle of the Atlantic

In April 1943, Commander Peter Gretton was in charge of escorting a vital Allied trade convoy from New York to Great Britain across the North Atlantic. Over the course of the voyage, the sixty-one merchant ships of convoy HX231, along with the six ships of B7 Escort Group, were continuously shadowed and attacked by a German wolf pack of twenty U-boats.



With the aid of air support, the convoy and defending escort fought valiantly across hundreds of miles of ocean and, despite poor weather con...