 Writing in 1957, the British official historian of the Royal Navy, Stephen Roskill, wrote that morale in the suffered greatly after such a formidable escort had failed to prevent the disaster.Next day, Rommel signalled to Berlin that convoys to the ASI has been suspended and that of due in Benghazi, only arrived.In 1960, Ian Playfair, in volume III of "History of the Second World War, "The Mediterranean and Middle East", the official British campaign history, wrote that the destruction of the Duisburg (BETA) Convoy was a severe blow to the Axis forces in Cyrenaica.