U.S. carriers moved swiftly to comply with federal orders grounding their Boeing Co. 737 Max aircraft and shift passengers to other flights.

The 737, which first entered service in the late 1960s, is the aviation industry’s best-selling model and Boeing’s top earner.

Boeing staggered into a deepening global crisis as governments around the world grounded the company’s best-selling jet over safety concerns after a second deadly crash.

The latest Max version extended the 737’s popularity with a welter of orders, but two deadly incidents claiming close to 350 lives in five months have raised questions about the model’s future.

The Council of Supply Chain Management Professionals (CSCMP) has extended the deadline to participate in its annual Supply Chain Innovation Award, in partnership with SupplyChainBrain.

Trade wars, China’s slowdown, erratic stock markets: The outlook is getting grimmer for an increasing number of companies across the globe.