This bill aims to enhance defense cooperation and interoperability among the Baltic states—Estonia, Latvia, and Lithuania—by modifying existing requirements for the transfer of United States defense assets. Specifically, it permits any defense article or defense service provided by the U.S. to one Baltic state to be transferred to another Baltic state without requiring prior U.S. approval, which is currently mandated by other laws. This provision significantly streamlines the process for these allied nations to share critical military resources. Furthermore, the legislation directs the Secretary of Defense to establish a common coalition key among the Baltic states. The purpose of this key is to facilitate the sharing of ammunition for High Mobility Artillery Rocket Systems (HIMARS) among Estonia, Latvia, and Lithuania. This measure is intended to support both training and operational purposes, thereby strengthening their collective defense posture and logistical flexibility.