Associated Press
This image provided by Thomas Saenz, shows Saenz near the tarmac at Kabul International Airport in Kabul, Afghanistan. Finals week can be grueling for many college students but for Thomas Saenz it was also treacherous: The Navy commander _ who was getting his master's degree while fighting in Afghanistan _ needed armed guards and an armored car to get to his exam site in Kabul. Bomb explosions also caused him to miss class a few times. But Saenz persevered. His class graudates Friday.(AP Photo/Thomas Saenz)

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