Keywords: US Navy 111013-N-FC670-041 Chief of Naval Operations (CNO) Adm. Jonathan Greenert delivers remarks during an event celebrating the Navy's 236th bir.jpg en WASHINGTON Oct 13 2011 Chief of Naval Operations CNO Adm Jonathan Greenert delivers remarks during an event celebrating the Navy's 236th birthday in the Pentagon U S Navy photo by Mass Communication Specialist 2nd Class Shannon E Renfroe/Released 2011-10-13 111013-N-FC670-041 Navy http //www navy mil/view_image asp id 108771 U S Navy photo by Mass Communication Specialist 2nd Class Shannon E Renfroe PD-USGov-Military-Navy Interior of The Pentagon Birthday ceremonies of the United States Navy |