Since the tragedies, the Department of Homeland Security was established to prevent terrorist attacks within the United States, and most importantly, to share intelligence information among government agencies and departments.

Space exploration is important research to our economic and national defense, and America's space program is a symbol of our success as a scientifically and technologically advanced nation.

I visited the Pentagon a few days after September 11, and I still remember so vividly the smell of terror surrounding the entire building and complex. I was angry that such a brutal act of violence was committed against innocent people.

September 11 awoke us to the threat of terrorism. It was forever bookmarked in our history as the day when life as Americans knew it, changed forever.