Ed Pierson, a former senior manager of Boeing’s 737 program, expressed concerns after regulators allowed Max 9s to return to service last week.

The company will expand some smaller sites into Supercenters with additional plans to open many new locations, said Walmart spokesperson Josh Havens.

Thirteen former black and Hispanic employees filed a lawsuit against the union and its president, Sean O'Brien, alleging racial discrimination over their firings.

Calhoun has been trying to show the firm is taking the situation seriously. On a call with financial analysts, he apologized and said the company took responsibility.

Under the agreement, NS employees in Georgia, Virginia and Indiana will be able to confidentially report unsafe events they experience while being protected from potential discipline from Norfolk Southern.