articleThe Brief Florida sailor Jose Antonio Rivera Lynch IV, 19, was declared lost at sea after going overboard from the USS George Washington. Lynch enlisted at 17 and was remembered by his father as a vibrant young man who loved the Navy. A U.S. sailor has been declared lost at sea after initially being reported missing last month, according to the U.S. The backstory:According to the institute, at 19, Rivera Lynch served in the Navy for just over a year. He truly loved the Navy, he truly loved what he did," Jose Rivera, the sailor’s father, told USNI News.