At an April 25, 2010, service in Beckley, W. Va., for the 29 miners killed in the Upper Big Branch explosion, helmets — placed on crosses — were lined up in their honor.
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Engineer Roger Boisjoly examines a model of the O-Rings, used to bring the Space Shuttle into orbit, at a meeting of senior executives and academic representatives in Rye, New York in Sept. 1991.
At the opening ceremony of the 2002 Winter Olympics in Salt Lake City, Mitt Romney (left) stands with President George W. Bush (center) and International Olympic Committee President Jacques Rogge (right) in front of the American flag that flew at the World Trade Center before the Sept. 11 terrorist attacks.
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