Slideshow: Americans killed in Afghanistan helicopter attack
Navy SEAL Nick Spehar, 24, of Chisago City, Minn., was a 2005 high school graduate whom teachers described as an academic star and three-sport athlete. "Nick was an active young man, and if he said he was going to do something, he did it," Chisago Lakes High School principal Dave Ertl told the AP. (ABC News)
