Lt. Col. Sidney McGraw launches the honorary first pass to Chicago Slaughter wide receiver Dontrell Jackson before the Chicago Slaughter-Wisconsin Wolfpack Saturday at the Sears Centre in Hoffman Estates, Ill. McGraw, 45, is the executive officer of Marine Air Control Group 48, the command element of the inaugural Marine Week Chicago. The weeklong event, which concludes today, is an opportunity for Chicago citizens to meet the men and women of the Marine Corps and learn about its history, traditions and value to the nation. - Lt. Col. Sidney McGraw launches the honorary first pass to Chicago Slaughter wide receiver Dontrell Jackson before the Chicago Slaughter-Wisconsin Wolfpack Saturday at the Sears Centre in Hoffman Estates, Ill. McGraw, 45, is the executive officer of Marine Air Control Group 48, the command element of the inaugural Marine Week Chicago. The weeklong event, which concludes today, is an opportunity for Chicago citizens to meet the men and women of the Marine Corps and learn about its history, traditions and value to the nation.