U.S. Army Staff Sgt. Adrian Herrera, assigned to Hawkeye Platoon, Headquarters and Headquarters Troop, 1st Squadron, 91st Cavalry Regiment, 173rd Airborne Brigade, assembles a 3D-printed component for a custom grenade deployment device at Norio Training Area, Georgia, Aug. 2, 2025, during Agile Spirit 25. The use of 3D printing enables Soldiers to rapidly design, produce, and refine mission-specific tools while operating in forward environments. (U.S. Army National Guard photo by Sgt. 1st Class Brittany Conley)