From Filament to Firepower: 3D Printing’s Impact on Warfare

While much ink has been spilled over how 3D printing has enabled intense drone-on-drone warfare in Ukraine, the U.S. defense and intelligence communities have overlooked a stealthier development: Additive manufacturing is revolutionizing how guns are produced, fielded, and sustained in armed conflicts, especially by non-state actors. What once required a web of smuggling networks, foreign sponsors, and captured stockpiles can now be made with digital files and off-the-shelf parts. Even ammunitio...