The household of the Prince of Wales, as heir apparent to the British throne, is led by a principal private secretary, who runs his private office. Armed Forces In the British Armed Forces, the Naval Secretary, Military Secretary, and Air Secretary are senior officers who are appointed to advise the First Lord of the Admiralty, Chief of the General Staff, and the Chief of the Air Staff on administrative matters. The Naval Secretary was known as the Private Secretary to the First Lord of the Admiralty from 1800–1910. In popular culture A classic explanation is provided in the British sitcom Yes Minister. Sir Humphrey (the Permanent Secretary) briefs Hacker (the Minister) on the Department's workings: (From the episode "Open Government", transmitted 25 February 1980) In the Commonwealth Australia In Australian Public Service the principal private secretary is the civil servant who runs a cabinet minister's private office. India Staff of the Union Cabinet In India, the post of private secretary (PS) and an additional private secretary (APS) to the Union Council of Ministers of India (cabinet ministers and minister of state) are Group A (All India Services or Central Civil Services) officers, appointed by the President of India. In Prime Minister's Office (India), the private secretary to Prime Minister of India is always in the rank and post of Joint secretary to the Government of India. Staff in civil services Senior principal private secretary (Senior PPS) is a member of Central Secretariat Stenographers Service and is one rank above principal private secretary that takes care of the office of a secretary to the Government of India or the equivalent rank officer Member CBBC or Member Railway Board. P.S.O. is principal staff officer, who is also a member of Central Secretariat Stenographers Service and a rank above senior principal private secretary that takes care of the office of a secretary to the Government of India or an equivalently ranked member of the Central Board for Excise and Customs, member of the Railway Board, or the chairman. Pay is equivalent to that of a director to the Government of India. New Zealand Persons holding the role of private secretary to a minister in New Zealand are civil servants. Senior Private Secretaries are the equivalent of a chief of staff and have the responsibility of managing a minister's office. Members of Parliament who are appointed as a Parliamentary Under-Secretary are also entitled to