In the midst of the heartbreak and wreckage of 9-11, the world also witnessed what is America's greatest strength. Firefighters, nurses, police officers, first responders and local residents worked around the clock to rescue and care for those injured.

In the midst of the heartbreak and wreckage of 9-11, the world also witnessed what is America's greatest strength. Firefighters, nurses, police officers, first responders and local residents worked around the clock to rescue and care for those injured.