Our supply chains are stretched thin — here’s what you need to know 

For many, Independence Day is about fireworks. But have you ever thought about the supply chain for fireworks? 

Our favorite festive explosives require many raw products, such as aluminum, barium, iron and a range of minerals that must be mined. Many are produced in China and arrive from Chinese warehouses on large cargo containers, fanning out to U.S. suppliers to supplement those made in America.  

Fortunately, this year there are enough fireworks to light up American skies.