 Complete the following phrase:  During the First World War Keyes was heavily involved in the organisation of the Dardanelles Campaign. Keyes took charge in an operation when six trawlers and a cruiser attempted to clear the Kephez minefield. The operation was a failure, as the Turkish mobile artillery pieces bombarded Keyes minesweeping squadron. He went on to be Director of Plans at the Admiralty and then took command of the Dover Patrol: he altered tactics and the Dover Patrol sank five U-Boats in the first month after implementation of Keyes plan compared with just two in the previous two years. He also planned and led the famous 