On September 11, 2001, one hijacked aircraft by no means reached its goal when United 93 crashed in rural Pennsylvania. Beforehand categorized streams of proof are mixed to piece collectively what actually occurred in a gripping minute-by-minute account. Proof consists of secret service paperwork; air visitors management transmissions; telephone information; voicemails; first-person testimony; and a top-secret audio recording that helps reveal particulars of Flight 93's essential closing moments.