Keywords: Chief of U.S. Naval Operations Adm. Jonathan Greenert, standing, speaks during an all-hands call at U.S. Fleet Cyber Command-U 131217-N-ZI511-811.jpg Chief of U S Naval Operations Adm Jonathan Greenert standing speaks during an all-hands call at U S Fleet Cyber Command-U S 10th Fleet at Fort Meade Md Dec 17 2013 Greenert visited the command to recognize its work in recent network defensive measures to improve network security 2013-12-17 MCC Julianne Metzger http //www defenseimagery mil/imageRetrieve action guid dda439ddbfddc93b7dff13f4b35dda995ec0fd8d t 2 Public domain photograph from defenseimagery mil http //www defenseimagery mil/imagery html guid dda439ddbfddc93b7dff13f4b35dda995ec0fd8d 131217-N-ZI511-811 2013-12-19 Fort Meade PD-USGov-Military-Navy Jonathan W Greenert in 2013 Fort Meade Images from DoD uploaded by Fæ United States Fleet Cyber Command |