U.S. Army paratroopers assigned to Attack Company, 1st Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade and French soldiers conduct a joint, chemical, biological, radiological and nuclear (CBRN) training in Pabradė, Military Operation Urban Terrain (MOUT), Lithuania, May 19, 2025, during exercise Swift Response 2025, as a part of the broader Defender Europe 25 framework. The training highlights the high level of cooperation, readiness, and interoperability among allied forces operating in complex urban environments.