Donald Rumsfeld
The United States was attacked on September 11, 2001 by al Qaeda terrorists who hijacked commercial airliners and crashed them in coordinated strikes into both towers of the World Trade Center in Lower Manhattan, New York City and the Pentagon in Washington, D.C. The fourth plane crashed into a field in Shanksville, Pennsylvania, and its target was likely a prominent building in Washington, D.C., most probably either the Capitol Building or the White House. Within three hours of the start of the first hijacking and two hours after American Airlines Flight 11 struck the World Trade Center, Rumsfeld raised the defense condition signaling of the United States offensive readiness to DEFCON 3, the highest it had been since the Arab-Israeli war in 1973.
Anwar al-Awlaki
According to US sources, the strike was carried out by Joint Special Operations Command, under the direction of the CIA. A witness said the group had stopped to eat breakfast while traveling to Ma'rib Governorate. The occupants of the vehicle spotted the drone and attempted to flee in the vehicle. Yemen's Defense Ministry announced that al-Awlaki had been killed. Also killed was Samir Khan, an American born in Saudi Arabia, thought to be behind al-Qaeda's English-language web magazine "Inspire". US President Barack Obama said: