DHS TSA was created in the aftermath of 9/11 to oversee security in all modes of transportation and completed federalization of security operations by the end of 2002. TSA became part of the Department of Homeland Security in March 2003, making up a quarter of the DHS workforce. TSA’s scope includes commercial and general aviation; mass transit systems; freight and passenger rail; highways, pipelines and ports.
TSA practices an intelligence driven, risk-based approach to security, comprising multiple security methods while utilizing cutting-edge technology and maintaining a flexible, highly trained workforce