when was the rank of chief petty officer established
Chief petty officer (United States) Chief Petty Officer (CPO) is the seventh enlisted rate (E-7) in the United States Navy and U.S. Coast Guard, just above petty officer first class and below senior chief petty officer. The rate of chief petty officer is that of a senior non-commissioned officer, and was established on 1 April 1893 for the United States Navy.[1] The United States Congress first authorized the Coast Guard to use the promotion to chief petty officer on 18 May 1920.[2] Chief petty officer is also the final cadet rate in the U.S. Naval Sea Cadet Corps.
Chief of Naval Staff (Pakistan) The post was changed to Commander-in-Chief when Vice-Admiral Mohammad Siddiq Choudri became the first native naval commander in 1953, and the title changed from Commander in Chief to Chief of Staff in 1969 with Vice-Admiral Muzaffar Hassan acting as Commander-in-Chief and Rear-Admiral Rashid Ahmad as Chief of Staff.:52[8] On 20 March 1972, the renamed as "Chief of Naval Staff" (CNS) with Vice-Admiral H.H. Ahmed becoming the first chief of naval staff, though his rank was not elevated to four-star rank.:60â€“62[9][10]