Clarification: Clarification is required on a Page 1 story published Friday about a farewell ceremony in Houlton for members of the Maine Army National Guard’s 1st Battalion, 152nd Field Artillery, which has been called for active duty in Iraq. Sharon Chase of Houlton is the mother of Michael McAfee of Houlton, one of the guardsmen leaving for Iraq. Connie McAfee is his stepmother.