Exiger’s proprietary parts intelligence offers a first-of-its-kind look at the downstream defense exposure created by U.S. Steel’s direct supply to the military and its supply relationships with manufacturers that rely on U.S. Steel-made steel to produce critical parts in weapon systems. Exiger identified 187 U.S. Steel parts directly supplied to 64 weapon systems. In addition, 58 US-based customers of U.S. Steel supply 50,822 steel-containing parts to 1,823 unique weapon systems, highlighting how upstream material inputs like steel (though rarely named in supplier records) can permeate across a vast range of defense-relevant programs. Looking beyond the defense industrial base, Exiger’s Supply Chain Explorer module can also help identify potential impacts to companies in other major industries in the U.S. that rely on steel, including construction, automotive, and machinery.