NORTH BERWICK, Maine, Aug.

Barbara Damon-Day, the mother of a Maine Army National Guard captain who died of unexplained causes while serving in Afghanistan, has been on a mission of her own.

By GLENN ADAMS AUGUSTA, Maine - Barbara Damon-Day, the mother of a Maine Army National Guard captain who died of unexplained causes while serving in Afghanistan, has been on a mission of her own.

By Toni-Lynn Robbins, Bangor Daily News, Maine Feb. 3--At 5 p.m. on Thanksgiving Eve 2006, Maj. Chris Cole pulled into his driveway in York after a 72-hour shift at the Maine Air National Guard Wing in Bangor. As he greeted his children, his on-call cell phone rang.

By TONI-LYNN ROBBINS; OF THE NEWS STAFF It was 9:40 a.m. when Jackie Files received a text message on her cellular phone during her second period study hall at Brewer High School. The message read: "Marcus is shipping out.