Americans battle high food and gas prices

In a powerful tribute, thousands of drones illuminated lower Manhattan to form the images of the Twin Towers -- one light for each person lost on the day of the September 11th attacks. David Muir shares how the breathtaking drone show came together in collaboration with members of the 9/11 community.

ABC News Chief Investigative Correspondent Aaron Katersky reports on the ongoing health challenges faced by Sept. 11 first responders and details the security measures in place at Ground Zero.

ABC News' Martha Raddatz reflects on the 9/11 attack on the Pentagon

ABC News Radio report on the Sept. 11 attacks: "It is right out of a disaster movie."

A final look at the World Trade Center, just after midnight on Sept. 11, 2001