Three of the five hijackers on American Airlines Flight 11 stayed together the night of September 10, 2001 in a hotel in Newton. In the early morning hours of September 11, the other two, seen here, boarded a commuter flight from Portland, Maine to Boston to connect to Flight 11. (Photo By U.S. Navy/Getty Images)
9/11/01 Massachusetts Timeline
American Airlines Flight 11 left Logan Airport with 92 people on board at 7:59 a.m. (AP file image)
9/11/01 Massachusetts Timeline
At 8:46 a.m., Flight 11 crashed into the North Tower of the World Trade Center in New York City. (Photo by Spencer Platt/Getty Images)
9/11/01 Massachusetts Timeline
The five hijackers targeting United Airlines Flight 175 spent their last hours at two Boston hotels. United Airlines Flight 175 left Logan Airport at 8:14 a.m. with 65 people on board. (AP file photo)
9/11/01 Massachusetts Timeline
At Otis Air Force Base in Falmouth, 153 miles away from New York City, F-15 fighters were scrambled at 8:46 a.m. Radar data show the Otis fighters were airborne at 8:53 a.m. Lacking a target, they were vectored toward military-controlled airspace off the Long Island coast. (AP file photo)
9/11/01 Massachusetts Timeline
At 9:03 a.m., United Airlines Flight 175 struck the South Tower of the World Trade Center, just 17 minutes after the crash of Flight 11. These are pieces of the engines and landing gear from Flight 175 in a new exhibit at the Newseum in Washington, DC. (Photo credit SAUL LOEB/AFP/Getty Images)
9/11/01 Massachusetts Timeline
On 9/11, the four hijacked aircraft were monitored mainly by air traffic control centers in Boston, New York, Cleveland, and Indianapolis.(AP file image)
9/11/01 Massachusetts Timeline
There is now a memorial in the Boston Public Garden to the local victims of 9/11. The Garden of Remembrance Memorial has the names of 206 people who either lived in Massachusetts or had ties to the state. (Photo by Darren McCollester/Getty Images)
9/11/01 Massachusetts Timeline
There is also a memorial at Logan Airport. The flight departure time of American Airlines Flight 11 is seen at Logan's 9-11 Memorial. (Photo by Darren McCollester/Getty Images)
