Six-by-six timbers, stacked Lincoln-log style, support a three-story section of the Pentagons outer wall twelve hours after the attack. The morning before, in an attempt to frighten the American people, five members of Al-Qaida, a terrorist group of fundamentalist Muslims, hijacked American Airlines Flight 77, then flew a circuitous route returning to Washington and impacting the Pentagon killing all 64 passengers onboard and 125 people on the ground. The impact destroyed or damaged four of the five rings in that section of the building. Firefighters fought the fire through the night