Looking Back at 9/11 - 19 Years Later: A Discussion With Those Who Were There. We are joined by James O’ Bryon (Military Expert and National Defense and Security Consultant), Clay Mankamyer (Police Veteran, Ambassadors of Flight 93), and Dave White (Founder, Behind Enemy Lines Men’s Ministry; Former Police Officer). Topics discussed include: Remembering the Tragedy. The Tragedy at the Pentagon. Flight 93 Crashes at Shanksville, PA. Rescue Work at Ground Zero.