170403-N-IE405-160 SAN DIEGO (April 3, 2017) Senior Chief Boatswain’s Mate Brandi Spencer, assigned to Naval Base San Diego, talks about the history of the boatswain’s mate rating during the celebration of the 124th birthday of the chief petty officer rank at the base theater. (U.S. Navy photo by Mass Communication Specialist 2nd Class Indra Bosko/Released)