F93VC_160530_134
Existing comment: Near Washington DC, employees of the Department of Defense begin their day at the Pentagon, one of the world's largest office buildings. About 23,000 civilian and military employees work at the Pentagon.

In the US Capitol in Washington DC, members of the House of Representatives open their session at 9am and the Senate is scheduled to convene at 10am. Both houses are finalizing plans for the state visit by the Australian Prime Minister on September 12. On a typical weekday when Congress is in session, an estimated 35,000 people work in or visit the buildings on Capitol Hill.

7:20am:
Flight 93 begins boarding at Gate 17A.

7:59am:
American Airlines Flight 11 takes off from Boston, Massachusetts, for Los Angeles, California, with 92 people aboard.

8:14am:
United Airlines Flight 175 takes off from Boston for Los Angeles with 65 people aboard.
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