SAN DIEGO – When they boarded the aircraft carrier Midway in their dress uniforms Friday morning, they were 111 soldiers, sailors and Marines who traced their roots back to 48 homelands. By the time they left, they were 111 Americans – naturalized in a one-hour ceremony aboard the floating museum at Navy Pier. With family and friends looking on, they stood to take the oath, then filed one-by-one onto the stage to receive the certificates that declared them officially citizens of the United States. Many taking that oath had already served in the Persian Gulf, some of them several times....