Today we talk about the September 11 attacks, the pivotal day in modern history that reshaped global geopolitics, aviation security, and the American landscape forever.

On the morning of September 11, 2001, nineteen militants associated with al-Qaeda hijacked four commercial airliners in a coordinated terrorist strike against the United States. Two planes struck the Twin Towers of the World Trade Center in Lower Manhattan, a third crashed into the Pentagon in Arlington, Virginia, and a fourth crashed into a field near Shanksville, Pennsylvania, after passengers fought back to prevent it from reaching its target. Claiming 2,977 innocent lives, it remains the deadliest single act of terrorism in human history.

In this episode, we trace the timeline of that fateful morning minute by minute - from the early-morning takeoffs along the East ...