Lord Sir Rhoderick McGrigor, First Sea Lord Sir Guy Russell, Second Sea Lord Ralph Edwards, Third Sea Lord Frederick Parham, Fourth Sea Lord Sir Edmund Anstice, Fifth Sea Lord William Wellclose Davis, Vice Chief of Naval Staff Geoffrey Barnard, Assistant Chief of Naval Staff Allan Noble, Parliamentary and Financial Secretary to the Admiralty Simon Wingfield Digby, Civil Lord Sir John Lang, Permanent Secretary of the Admiralty 18 April 1955: Commission James Thomas, First Lord The Earl Mountbatten of Burma, First Sea Lord Sir Guy Russell, Second Sea Lord Ralph Edwards, Third Sea Lord Frederick Parham, Fourth Sea Lord Alexander Bingley, Fifth Sea Lord William Wellclose Davis, Vice Chief of Naval Staff Eric Clifford, Assistant Chief of Naval Staff Allan Noble, Parliamentary and Financial Secretary to the Admiralty Simon Wingfield Digby, Civil Lord Sir John Lang, Permanent Secretary of the Admiralty 12 September 1955: Commission James Thomas, First Lord The Earl Mountbatten of Burma, First Sea Lord Sir Guy Russell, Second Sea Lord Ralph Edwards, Third Sea Lord Robert Dymock Watson, Fourth Sea Lord Alexander Bingley, Fifth Sea Lord William Wellclose Davis, Vice Chief of Naval Staff Eric Clifford, Assistant Chief of Naval Staff Allan Noble, Parliamentary and Financial Secretary to the Admiralty Simon Wingfield Digby, Civil Lord Sir John Lang, Permanent Secretary of the Admiralty 22 December 1955: Commission James Thomas, First Lord The Earl Mountbatten of Burma, First Sea Lord Sir Charles Lambe, Second Sea Lord Ralph Edwards, Third Sea Lord Robert Dymock Watson, Fourth Sea Lord Alexander Bingley, Fifth Sea Lord William Wellclose Davis, Vice Chief of Naval Staff Eric Clifford, Assistant Chief of Naval Staff George Ward, Parliamentary and Financial Secretary to the Admiralty Simon Wingfield Digby, Civil Lord Sir John Lang, Permanent Secretary of the Admiralty 19 October 1956: Commission The Viscount Hailsham, First Lord The Earl Mountbatten of Burma, First Sea Lord Sir Charles Lambe, Second Sea Lord John Peter Lorne Reid, Third Sea Lord Robert Dymock Watson, Fourth Sea Lord Alexander Bingley, Fifth Sea Lord Sir William Wellclose Davis, Vice Chief of Naval Staff Sir Eric Clifford, Assistant Chief of Naval Staff George Ward, Parliamentary and Financial Secretary to the Admiralty Simon Wingfield Digby, Civil Lord Sir John Lang, Permanent Secretary of the Admiralty 14 October 1957: Commission The Earl of Selkirk, First Lord The Earl Mountbatten of Burma, First Sea Lord Deric Holland-Martin, Second Sea Lord Sir John Peter Lorne Reid, Third Sea