Overview: The soldiers were rescued from the beaches and taken safely back to Britain. But behind the Miracle of Dunkirk there's another, hidden story. Soldiers and mariners, angry that they'd apparently been left undefended against the Luftwaffe, blamed the RAF. Historians have long viewed Dunkirk as the RAF's poorest hour. But now, recently released MoD files reveal that, far from being absent, the RAF were suffering massive losses supporting the evacuation.