On November 19, 2001, President Bush signed the Aviation Safety Act, which was passed by Congress on November 16 to strengthen airport and aircraft safety, making it a formal law. At a ceremony held at Reagan National Airport, Bush said that airport safety would be the first issue for airlines, and that the law would make all airport security inspectors directly responsible for airport security, which is the first in American history. According to the Aviation Safety Act signed by Bush, the United States would change the current airport luggage and passenger safety inspection by the private airport security company. Airport security would be held by the newly established Transportation Safety Bureau, and all airport security inspectors would become federal employees. These airport security inspectors must be U.S. citizens and accept criminal investigation. But after three years of transition, the United States will have the