After his return to Britain he served under Harold Macmillan as First Lord of the Admiralty until October 1963 .
Was then Minister without Portfolio and Leader of the House of Lords under Alec Douglas - Home until October 1964 , when the Conservatives fell from power .
After his return to Britain he served under Harold Macmillan as First Lord of the Admiralty until October 1963 , and was then Minister without Portfolio and Leader of the House of Lords under Alec Douglas - Home until October 1964 , when the Conservatives fell from power .