Overview. Burkittâs lymphoma is a relatively rare and aggressive form of non-Hodgkinâs lymphoma. Non-Hodgkinâs lymphoma is a type of cancer of the lymphatic system. The lymphatic system helps your body to fight infections.urkittâs lymphoma is a relatively rare and aggressive form of non-Hodgkinâs lymphoma. Non-Hodgkinâs lymphoma is a type of cancer of the lymphatic system.
A chief's full title is a combination of the two. Thus, a senior chief petty officer with the rating of machinist's mate would properly be called a senior chief machinist's mate, the abbreviation of which is MMCS.
Chief Petty Officer is the seventh enlisted rate (E-7) in the United States Navy and United States 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.