A worker tests a jet engine at Honeywell in Phoenix, Arizona.

Women's March, Seattle, Jan. 21, 2017.

General Electric CEO John Flannery with executives Russell Stokes, David Joyce and Jamie Miller at the company's 'reset' meeting, Nov. 14, 2017.

General Electric CEO Larry Culp at the company's annual shareholder meeting in 2019.

Former General Electric CEO John Flannery.

Former Boeing CEO Dennis Muilenburg at Boeing's 100-year anniversary celebration in Seattle.

Boeing's logo and painted doors of the factory where it makes 747, 767, 777 and 787 jetliners, in Everett, Washington.

General Electric's log on its headquarters in Boston.

Rolls-Royce engine on ANA Airline's 50th Boeing 787 Dreamliner.

A technician works on an aircraft engine at Honeywell's facility in Phoenix.

A worker at a former General Electric locomotive plant in Pennsylvania.

A jet engine in for repairs at Honeywell's factory in Phoenix, Arizona.

A Boeing 737 MAX airplane is stored without engines near Seattle.

A LEAP aircraft engine being built at a General Electric factory in Indiana.

Testing a jet engine at a Pratt & Whitney factory in Connecticut.

Boeing's hospitality reception at the 71st general meeting of the International Air Transport Association (IATA), June 2015, Miami, Florida.