<P> 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 . The United States Congress first authorized the Coast Guard to use the promotion to chief petty officer on 18 May 1920 . Chief petty officer is also the final cadet rate in the U.S. Naval Sea Cadet Corps . </P>
<P> 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 . The United States Congress first authorized the Coast Guard to use the promotion to chief petty officer on 18 May 1920 . Chief petty officer is also the final cadet rate in the U.S. Naval Sea Cadet Corps . </P>
when was the rank of chief petty officer established
when was the rank of chief petty officer established
1 April 1893
1 April 1893