Keywords: Chief of U.S. Naval Operations Adm. Jonathan Greenert, left, thanks Lisa Callahan, the Lockheed Martin vice president of undersea systems, after a site visit to a Lockheed Martin facility in Manassas, Va 131113-N-WL435-016.jpg Chief of U S Naval Operations Adm Jonathan Greenert left thanks Lisa Callahan the Lockheed Martin vice president of undersea systems after a site visit to a Lockheed Martin facility in Manassas Va Nov 13 2013 2013-11-13 MCC Peter D Lawlor http //www defenseimagery mil/imageRetrieve action guid 84d167c87b62b058d47bb4b52930bd2fe885ff73 t 2 Public domain photograph from defenseimagery mil http //www defenseimagery mil/imagery html guid 84d167c87b62b058d47bb4b52930bd2fe885ff73 131113-N-WL435-016 2013-11-15 Manassas PD-USGov-Military-Navy Jonathan W Greenert in 2013 Images from DoD uploaded by Fæ Handshakes involving the military |