Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

BERLIN, GERMANY - APRIL 25:  Air traffic controllers look out onto the tarmac following the official inauguration of the new control tower at Willy Brandt Berlin Brandenburg International Airport on April 25, 2012 in Berlin, Germany. The new airport, which will replace current Tegel and Schoenefeld airports, will begin operation on June 3.  (Photo by Andreas Rentz/Getty Images)
BERLIN, GERMANY - APRIL 25:  Air traffic controllers look out onto the tarmac following the official inauguration of the new control tower at Willy Brandt Berlin Brandenburg International Airport on April 25, 2012 in Berlin, Germany. The new airport, which will replace current Tegel and Schoenefeld airports, will begin operation on June 3.  (Photo by Andreas Rentz/Getty Images)

    JUST WATCHED

    Report: Air traffic controllers struggle with fatigue

MUST WATCH

Report: Air traffic controllers struggle with fatigue

Many of America's air traffic controllers suffer from chronic fatigue, potentially putting fliers at risk, according to a study conducted by NASA.

Report: Air traffic controllers struggle with fatigue

Many of America's air traffic controllers suffer from chronic fatigue, potentially putting fliers at risk, according to a study conducted by NASA.