After being ordered, to vacate his office in the Pentagon Air Force Major Ken Echternacht helps set up the Red Cross Disaster Services Area in the South Parking lot September 12, 2001. The parking lot was converted into an area providing food and rest for various emergency response agencies as they worked around the clock to secure the impact area where the hijacked American Airlines Flight 77, a Boeing 757-200 deliberately crashed into the building the day before. The Pentagon attack followed a similar attack, two hijacked passenger planes flown into the twin towers of the New York World Trade Center, on the same day, in what is being called the worst terrorist attack in history.(NOTE: ...