GateKeeper USA, Inc.

Assisting in the prevention of theft and acts of potential terrorism.

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GateKeeper USA, Inc.

The most advanced maritime shipping container security device.


GateKeeper USA, Inc.

Able to detect and identify harmful materials or intrusions into the container.


James B. Kadtke

From 2006 Dr. Kadtke has served as Senior Fellow at the National Defense University performing national security policy research. From 2002-2006 served as Science and National Security Advisor to the office of Senator John Warner, US Senate. Designee on Senate Armed Services Committee and staff advisor on science/technology, defense, and homeland security issues. From 2001-2002 he served as Policy Advisor to the Committee on Science, US House of Representatives. From 1999-2001 he served as Policy Analyst at Rand Science & Technology Policy Institute, supporting the White House Office of Science and Technology Policy. From 1991-2001 Dr. Kadtke managed his own scientific research group at Scripps Institute of Oceanography, conducting research on physic and information science applied to defense and intelligence. From 1988-2001 he also served as Vice President and Chief Scientist at Nonlinear Solutions Inc. Dr. Kadtke holds an MS & Ph.D. in physics from Brown University and has over 65 research publications and four patents to his credit.