Three Boeing mechanics caused $4 million of damage and could have sparked a mid-flight fire while repairing one of the planes in the Air Force One fleet, a federal investigation has found.
원문출처 : http://www.cnn.com/2017/05/11/politics/boeing-air-force-one-mechanics-contamination/index.html
원문출처 : http://www.cnn.com/2017/05/11/politics/boeing-air-force-one-mechanics-contamination/index.html