While the main concern of the film is the establishment of the Office of Homeland Security , which following Congress ' approval would become the Department of Homeland Security , there are a number of subplots , out of chronological sequence , involved in the film . Such sub plots are , the invasion of Afghanistan , use of precision-guided air strikes with weapons such as GPS-guided JDAMs , the customs agent on the Canadian border stopping the vehicle carrying explosives for the failed Millennium bombing , the pursuit of Osama Bin Laden and the destruction of Al ' Qaeda training camps in the middle east , as well as in the beginning of the film . Admiral Mckees ' Daughter , Melissa , is due to leave New Jersey for San Francisco on September 11 , 2001 , she was due to board United Airlines Flight 93 , following hearing an announcement on the news that United Airlines Flight 93 was hijacked and has gone down over Pennsylvania , the Admiral and his wife were distraught , shortly thereafter she contacted her parents and was upset and told them she was late and fortunately had missed her flight
United Airlines Flight 93
United Airlines Flight 93
Homeland Security (film)