They got standing ovations upon arrival at Gateway Gettysburg and again during the parade. People walked up to shake their hands and say thanks. But for the wounded soldiers from Washington, D.C.'s Walter Reed Army Medical Center visiting Gettysburg on Monday, fighting in Iraq was just part of their job. "A lot of the military don't even consider themselves heroes," said Natalie Cobb of West Virginia, whose husband, Steve, was wounded in Iraq. "It's their job." Nathan Hart, 3, left, along with his father David and brother Ryan, 6, watch the Hanover Memorial Day Parade as it makes its way...