Topic - U.S. National Transportation Safety Board

The National Transportation Safety Board (NTSB) is an independent U.S. government investigative agency responsible for civil transportation accident investigation. In this role, the NTSB investigates and reports on aviation accidents and incidents, certain types of highway crashes, ship and marine accidents, pipeline incidents and railroad accidents. When requested, the NTSB will assist the military with accident investigation. The NTSB is also in charge of investigating cases of hazardous waste releases that occur during transportation. Deborah Hersman was appointed as NTSB Chairman in July 2009. Mark Rosenker was appointed as Vice Chairman in 2003, and served as Acting Chairman from March 2005 to January 2009. The agency is based in Washington, D.C. - Source: Wikipedia