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On this day, we honor and hold in profound memory the innocent victims and first responders who lost their lives on September 11.

Our way of life, the freedoms we enjoy, and the defense of them remains steadfast and at the forefront of our nation to the present day.

Mission Statement

MDAA’s mission is to make the world safer by advocating for the development and deployment of missile defense systems to defend the United States, its armed forces, and its allies against missile threats.

MDAA is the only organization in existence whose primary mission is to educate the American public about missile defense issues and to recruit, organize, and mobilize proponents to advocate for the critical need of missile defense. We are a non-partisan membership-based and membership-funded organization that does not advocate on behalf of any specific system, technology, architecture or entity.