An Army sergeant is returning home to Maine five months after being seriously injured in a suicide bombing attack in Afghanistan. Sgt. Helaina Lake is arriving Tuesday at Portland International Jetport. A motorcade of police, firefighters and others will bring her to her hometown of Livermore Falls, where she graduated high school in 2007. Lake was severely wounded in June when Taliban insurgents attacked a base in eastern Afghanistan where she was stationed. Two Americans were killed and dozens were wounded. The Sun Journal, reported that Lake has spent months in and out of Walter Reed National Military Medical Center in Maryland, where she has undergone numerous surgeries for burns, an arm injury and a shattered leg.