The seniormost Chief Petty Officer (including Senior and Master Chiefs), regardless of rating, is designated by the Commanding Officer as the Chief of the Boat (for vessels) or Command Chief (for starbases). In addition to his or her departmental responsibilities, the COB/CC performs the following duties: serves as a liaison between the Commanding Officer (or Executive Officer) and the enlisted crewmen; ensures enlisted crews understand Command policies; advises the Commanding Officer and Executive Officer regarding enlisted morale, and evaluates the quality of noncommissioned officer leadership, management, and supervisory training.