Adm. Jonathan Greenert, Chief of Naval Operations, left, laughs as Rear Adm. Matthew L. Nathan, commander of Navy Medicine for the National Capital Area, has his shoulder boards attached by his wife and daughter.

BETHESDA, Md. (Nov. 18, 2011) Adm. Jonathan Greenert, Chief of Naval
Operations, left, laughs as Rear Adm. Matthew L. Nathan, commander of
Navy Medicine for the National Capital Area, has his shoulder boards attached by his wife and daughter during a ceremony at Walter Reed National Military Medical Center. Nathan was promoted to vice admiral and Surgeon General of the U.S. Navy and will relieve retiring Vice Adm. Adam Robinson. (U.S. Navy photo by Sarah Fortney) File# 111118-N-AN650-004