Passengers from a United Airlines flight wait on the tarmac at Washington Dulles International Airport after the flight to San Francisco was grounded Wednesday. The captain ordered the evacuation of Flight 586 after smoke appeared out of an engine. The 179 passengers, including Supreme Court Justice Ruth Bader Ginsburg, and six crew members got off safely. (Associated Press)

Passengers from a United Airlines flight wait on the tarmac at Washington Dulles International Airport after the flight to San Francisco was grounded Wednesday. The captain ordered the evacuation of Flight 586 after smoke appeared out of an engine. The 179 passengers, including Supreme Court Justice Ruth Bader Ginsburg, and six crew members got off safely. (Associated Press)