JACKSON, Miss. — A year after a Marine Corps plane broke into pieces high in the sky and slammed into a Mississippi soybean field, relatives and friends are keeping alive the memories of the 15 Marines and Navy corpsmen who died in the crash.It's an active form of memory — building, telling, hiking, running — to honor the Stewart Air National Guard-based crewmembers who flew the KC-130T military transport, as well as the special forces Marines they were carrying [...]