In early November, retired Senior Chief Jeffrey Sparenberg was the guest of honor at military heritage day in Delaware. Sparenberg spent 23 years in the Navy, including time on the destroyer Cole, and he was at Fort DuPont State Park that day to donate a flag that he said flew over the Cole shortly after it was attacked nine years ago. The flag, he hoped, would be put on view at the planned Delaware Military Museum. A photograph from the ceremony shows Sparenberg on the steps of a shuttered brick building. The left side of his chest is covered with...