 Complete the following phrase:  The British were disappointed by their failure to sink or damage Tirpitz. Tovey believed that the order to prioritise the defence of the convoys over attacking Tirpitz had hindered his operations. He was also frustrated by the Admiraltys attempts to closely manage his command during the battle. On 13 March the British Prime Minister Winston Churchill asked the First Sea Lord Admiral of the Fleet Dudley Pound to provide a report on the air attack on TIRPITZ, explaining how it was that 12 of our machines managed to get no hits as compared to the extraordinary efficiency of the 