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Disarmament and International Security Committee 

When the United Nations' charter was ratified in 1945, the Disarmament and International Security Committee (DISEC) was established as the first of the General Assembly's Main Committees. Thus, DISEC is often referred to as the First Committee.

Meet Your President

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Oscar De Castro

Oscar  De Castro

President, Disarmament and International Security Committee

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Distinguished Delegates,

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My name is Oscar De Castro, and I have the honor of serving as the President of the Disarmament and International Security Committee (DISEC) at BAMUN XXV. This year, our committee will delve into one of the most urgent and complex challenges to global peace: “The Illicit Arms Trade in Conflict Zones: How the Illegal Circulation of Weapons Prolongs Civil Wars and Destabilizes Fragile Regions, Particularly in the Middle East and Africa.”

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The innovation of this edition of BAMUN lies in analyzing how the illegal trafficking of weapons directly impacts global security and the sovereignty of states. In debating this topic, we will not only discuss statistics and international treaties but also reflect on the countless lives lost each day to weapons that should never have reached the hands of armed groups and terrorist organizations. We will consider how the lack of control over arms sales and transportation turns local conflicts into prolonged crises that affect millions of people.

During our sessions, we will discuss the role of the black market in empowering insurgent groups, the smuggling routes that cross weak borders, and how corruption and the failure to enforce international treaties fuel this crisis. We will ask ourselves whether it is possible to design global and regional mechanisms to cut off the flow of illegal weapons — and what role major powers, affected states, and international organizations must play in this effort.

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As your president, my goal is to guide you toward a debate that is both rigorous and creative, one that challenges existing structures while building ambitious and realistic solutions. I want this committee to be a space where you, the delegates, can propose strategies to curb arms trafficking, strengthen border control, and design systems of international cooperation that protect populations trapped in endless conflicts.

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I invite you to participate with passion, discipline, and courage. Your ideas and proposals will be key to transforming this committee into a true laboratory of international security and effective diplomacy. I am confident that together we can make BAMUN XXV a conference defined by its commitment to peace, political innovation, and global justice.

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If you have any questions or need guidance, feel free to contact me at decastro.oscar@marymountbq.edu.co. It will be an honor to accompany you throughout this process.

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I look forward to meeting you soon and hearing the brilliant solutions you will bring to the table.

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With appreciation,


Oscar De Castro
President of DISEC

Illicit Arms Trade in Conflict Zones: The black market circulation of weapons intensifies civil wars and destabilizes fragile regions particularly in the Middle East and Africa

Committee Topic

In an era marked by ongoing conflicts and fragile peace efforts, the illicit arms trade has emerged as one of the most pressing threats to international security. The uncontrolled circulation of weapons through black markets continues to intensify civil wars and destabilize entire regions, particularly in the Middle East and Africa. Non-state actors, militias, and terrorist organizations exploit these illegal networks, worsening humanitarian crises and obstructing peacebuilding initiatives. The Disarmament and International Security Committee must confront this challenge by reinforcing global arms control frameworks, enhancing border security, and promoting international cooperation to curb illicit trafficking and restore stability in conflict-affected areas.

BAMUN XXV

Persist to Overcome

What

Our Twenty-Fifth Model United Nations Conference

When

November 7th-9th, 2025.

Where

Colegio Marymount Barranquilla

Km. 5, Via a Sabanilla, Barranquilla, Atlántico

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© 2025 by Barranquilla Model United Nations.

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