February 3, 2003

November 19, 2001

President Bush signed the Aviation and Transportation Security Act and created the Transportation Security Administration.

Airlines directed to reinforce cockpit doors with locks or steel bars.

January 18, 2002

The TSA must inspect checked luggage more closely be hand, with bomb sniffing dogs, explosive detection machines or by matching bags to passengers.

Passengers must pay new $5 fee per leg of each flight to help pay for security.

The TSA required to develop new training plans for airline flight crews and federal security screeners.

February 17, 2002

The TSA officially takes over private screening contracts from airlines.

March 19, 2002

Airlines required to submit security training plans for pilots and flight attendants to the TSA.

October 15, 2002

Airlines must complete security training for flight crews.

November 19, 2002

The TSA must hire and have trained nearly 30,000 federal airport security screeners at the nation's 429 airports.

December 31, 2002

The TSA must screen every passenger's luggage with an explosive detection machine.

January 2003

The TSA joins a new Homeland Security Department.

April 9, 2003

Airlines are required to install reinforced cockpit doors on aircraft.

November 19, 2004

Airports may elect to revert back to private screening companies or keep federal screeners.