In honour of the 15th Anniversary of 9/11, National Geographic Channel is looking back at the very best reporting we have done since this world-changing tragedy first happened using extended excerpts from past specials that relate directly to events leading up to and following the attacks on New York City and Washington DC.

Cast:J.V. Martin, Rudolph Giuliani, David Patraeus, Stanley McChrystal,

Genre:TV Movie, War, Documentary, History,

country:United States of America,

Production:National Geographic,