This report provides a concise overview of the most significant military and defense developments in Latin America for the period of September 26–October 1, 2025. It highlights major events—including force‑posture changes, emergency authorities, cross‑border enforcement, and procurement decisions—alongside key updates in defense cooperation and border security. Designed for policymakers, analysts, and readers seeking a clear view of current defense trends, this summary offers timely insights into a rapidly evolving regional landscape. Nicaragua denounces U.S. warships near Venezuela (Sep 26)Managua argued the deployment is a pretext to target Venezuelan oil, echoing Caracas’ narrative as regional tensions rise. Dominican Republic tightens border posture amid Haiti shift (Sep 30)President Luis Abinader backed the mission overhaul and reaffirmed border security measures as operations in Haiti are retooled.