Day of Days by Frank Napolitano

September 11, 2001 For these men, the fire service is their heart, their blood, and their brotherhood. On the morning of September 11, 2001, bound by that brotherhood, they responded to the alarm at the World Trade Center. They fought that day to save civilians, each other, and themselves, against an adversary they thought they knew, and with every step they took, came to realize they might not see another sunrise.