Keywords: US Navy 030606-N-6407M-007 Capt. Ralph Lockhart (left) is relieved by Capt. John Sentell (right) as Commanding Officer Naval Hospital Jacksonville in a ceremony held aboard Naval Air Station Jacksonville.jpg en Naval Air Station Jacksonville Fla Jun 6 2003 -- Capt Ralph Lockhart left is relieved by Capt John Sentell right as Commanding Officer Naval Hospital Jacksonville in a ceremony held aboard Naval Air Station Jacksonville guests include Surgeon General of the Navy Vice Adm Michael Cowan and Commander Navy Region Southeast Rear Adm Annette Brown Capt Lockhart retired after 42 years of Navy service U S Navy photo by Hospital Corpsman 2nd Class John Veres RELEASED 2003-06-06 030606-N-6407M-007 Navy http //www navy mil/view_image asp id 8167 U S Navy photo by Hospital Corpsman 2nd Class John Veres PD-USGov-Military-Navy 2003 at Naval Air Station Jacksonville Michael L Cowan Annette Brown Salutes |