U.S. Navy command master chief petty officers listen to a lecture at the Port O Call Banquet and Conference Center during the Command Master Chief Continuum Conference at Naval Station Great Lakes, Ill., May 25, 2010. Reserve component command senior chief petty officers and command master chief petty officers met over five days for a series of lectures and discussions concerning Navy fitness, the Perform to Serve program, continuation boards, TRICARE, sexual assault prevention and leadership.