US Army PFC Eric Luna, 20, hugs his sister Ivette in her sophomore English class at Dundee Crown High School Friday afternoon. September 28, 2012. Luna who graduated from Dundee Crown in 2010 drove 12 hours from Fort Bragg in North Carolina to surprise his family. He returned to the US earlier this month after serving in Afghanistan. | John Konstantaras~For Sun-Times Media
US Army PFC Eric Luna, 20, answers questions in his sister Ivette's sophomore English class at Dundee Crown High School Friday afternoon. September 28, 2012. Luna who graduated from Dundee Crown in 2010 drove 12 hours from Fort Bragg in North Carolina to surprise his family. He returned to the US earlier this month after serving in Afghanistan. | John Konstantaras~For Sun-Times Media
US Army PFC Eric Luna, 20, answers questions in his sister Ivette's sophomore English class at Dundee Crown High School Friday afternoon. September 28, 2012. Luna who graduated from Dundee Crown in 2010 drove 12 hours from Fort Bragg in North Carolina to surprise his family. He returned to the US earlier this month after serving in Afghanistan. | John Konstantaras~For Sun-Times Media
Jesse Jacquez, 15 from Carpentersville, asks a question to US Army PFC Eric Luna who stopped at Dundee Crown High School to surprise his sister Ivette Friday afternoon. September 28, 2012. Luna who graduated from Dundee Crown in 2010 returned to the US after serving in Afghanistan | John Konstantaras~For Sun-Times Media
US Army PFC Eric Luna, 20, answers questions in his sister Ivette's sophomore English class at Dundee Crown High School Friday afternoon. September 28, 2012. Luna, a 2012 Dundee Crown grad, spent about a half hour talking about everything from the biggest gun he used to camel spiders and how great it was to see the smiling faces of the children when the solders were around. He drove 12 hours from Fort Bragg in North Carolina to surprise his family after returning to the US earlier this month from his tour in Afghanistan. | John Konstantaras~For Sun-Times Media
US Army PFC Eric Luna hugs social studies teacher Sylvia Moran, also his girls friend's sister, at Dundee Crown Friday afternoon. Luna stopped at the high school to surprise his sister Ivette after driving 12 hours from Ft. Bragg North Carolina. September 28, 2012. Luna who graduated from Dundee Crown in 2010 returned to the US after serving in Afghanistan | John Konstantaras~For Sun-Times Media
US Army PFC Eric Luna walks out of Dundee Crown with principal Lynn McCarthy after a surprise visit to his sister Ivette's English class Friday afternoon. September 28, 2012. Luna who graduated from Dundee Crown in 2010 returned to the US after serving in Afghanistan | John Konstantaras~For Sun-Times Media
US Army PFC Eric Luna, 20, a 2010 Dundee Crown grad visits his high school Friday afternoon. September 28, 2012. Luna drove 12 hours from Fort Bragg in North Carolina to surprise his family including his sister Ivette, a sophomore, at the high school. He returned to the US earlier this month after serving in Afghanistan. | John Konstantaras~For Sun-Times Media
US Army PFC Eric Luna, 20, surprises his sister Ivette in her sophomore English class at Dundee Crown High School Friday afternoon. September 28, 2012. Luna who graduated from Dundee Crown in 2010 drove 12 hours from Fort Bragg in North Carolina to surprise his family. He returned to the US earlier this month after serving in Afghanistan. | John Konstantaras~For Sun-Times Media
CARPENTERSVILLE — From the time he was a child, Eric Luna knew he wanted to eventually pursue a career in the military. “Just like any other little kid I was thinking, ‘Oh hey, I can get paid to do cool action stuff,” said the 2010 …