Keywords: US Navy 110930-N-KK576-074 Chief of Naval Operations (CNO) Adm. Jonathan W. Greenert, left, congratulates Vice Adm. Barry McCullough during a chang.jpg en BALTIMORE Sept 30 2011 Chief of Naval Operations CNO Adm Jonathan W Greenert left congratulates Vice Adm Barry McCullough during a change of command ceremony at Fort McHenry National Monument Vice Adm Michael S Rogers relieved McCullough as commander of U S Fleet Cyber Command and U S 10th Fleet Fleet Cyber Command is the Navy's central operating authority for networks cryptologic and signals intelligence information operations cyber electronic warfare and space capabilities U S Navy photo by Mass Communication Specialist 1st Class Joshua J Wahl/Released 2011-09-30 110930-N-KK576-074 Navy http //www navy mil/view_image asp id 108149 U S Navy photo by Mass Communication Specialist 1st Class Joshua J Wahl PD-USGov-Military-Navy Images from US Navy location BALTIMORE Md Bernard J McCullough Jonathan W Greenert in 2011 Handshakes involving the military United States Fleet Cyber Command |