In 1911 he became Navy Minister (in the English political vocabulary, this title was – First Sea Lord) and since then actively participates in the international political game … In the first months in office He examined all the mooring in the UK, has learned the names of many officers who took the habit of planting his own dining table seamen of all ranks and titles. Many senior commanders did not like the First Lord Admiralty always comes down to the lower deck, and clearly wants to break down caste barriers of caste. Even before the war with Germany, Churchill took care of that naval aviation is not only performed the tasks of reconnaissance, but the bombardment of the enemy. In 1913, the stocks of one of Britain's shipyards came the world's first aircraft carrier 'Hermes'.

By the summer of 1914 Royal Navy had nearly a hundred planes, avoiding the quality and quantity of aircraft other countries. At a meeting of cabinet ministers, he proposed "to sheathe tractor with steel plates to several people could hide behind cover and cross the no man's band." Having bought his own money about a dozen tractors, Navy ordered the head to sheathe them with steel plates and began to experience this innovation in secrecy in the estate of the Duke of Westminster. So on this armor … Combining with the end 1918 posts of Minister of War and Minister of arms and ammunition, Sir Winston did a lot for the organization of the intervention and assistance to the white armies.