PORTSMOUTH, Va. - Master Chief Petty Officer of the Coast Guard Michael P. Leavitt addresses Coast Guardsmen stationed at Base Support Unit Portsmouth Tuesday, July 26, 2011. The Master Chief Petty Officer of the Coast Guard is the most senior enlisted member of the Coast Guard and provides information on matters affecting enlisted members to the Commandant. U.S. Coast Guard photo by Petty Officer 2nd Class Walter Shinn.