Jacqueline Mackin-Hartman (center), the daughter of retired Col. Alvin Mackin, and her husband, Robert Hartman, watch as Marines place Mackin’s remains in the funeral caisson at Arlington National Cemetery in Arlington, Va., Jan. 15, 2010. Mackin-Hartman said she was proud to see the impact her father had on the Marines who came to pay their final respects to him. - Jacqueline Mackin-Hartman (center), the daughter of retired Col. Alvin Mackin, and her husband, Robert Hartman, watch as Marines place Mackin’s remains in the funeral caisson at Arlington National Cemetery in Arlington, Va., Jan. 15, 2010. Mackin-Hartman said she was proud to see the impact her father had on the Marines who came to pay their final respects to him.