On September 11, 2001, nearly 3,000 people were killed in terrorist
attacks at the World Trade Center in New York City, the Pentagon in
Arlington, Va. – across the river from Washington, D.C. – and in a
thwarted attack and subsequent plane crash in a field in Shanksville,
Pa. Hundreds of courageous first responders risked their lives to save
others and many perished while p..