Jason Cascone finished his training on September 10, 2001. The next morning his mother woke him up and said there was a fire at the World Trade Cente

Faces of Ground Zero: A Tribute to America's Heroes

In the days following 9/11, LIFE and TIME photographer Joe McNally immortalized nearly 300 rescue workers and survivors with life size Polaroid portraits. The resulting exhibit captures the immensity of their courage.

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