U.S. Army air defenders with 5th Battalion, 4th Air Defense Artillery Regiment, engages fixed-wing aerial drone target with Counter-Unmanned Aircraft System during Project 4.5 Nov. 19, 2025, at the Trubbenubungsplatz Putlos, Germany. U.S. Soldiers assigned to 10th Army Air and Missile Defense Command test new, lower-cost, portable sensors and shooters designed for the Eastern Flank Deterrence Line during Project Flytrap 4.5 at Truppenübungsplatz Putlos, Germany. The U.S. Army Global Tactical Edge Acquisitions Directorate (GTEAD) team will select five winning systems in the xTechCounter Strike competition, advancing experimentation and transformation efforts for U.S. and NATO forces (U.S. Army photo by Staff Sgt. Yesenia Cadavid).