"United 93" is a 2006 film directed by Paul Greengrass that depicts the events of September 11, 2001, focusing on the hijacking of United Airlines Flight 93. The film portrays the passengers' courageous efforts to regain control of the plane after it was taken over by terrorists associated with al-Qaeda. The narrative unfolds in real-time, highlighting the chaos and confusion of that day, as well as the communication between air traffic control and the military. The film aims to honor the bravery of the passengers and crew who fought against the hijackers, ultimately preventing further destruction.