Summary:What is being done to counter threats of maritime terrorism and how effective are the safeguards? The author presents evidence that Al-Qaeda aims to disrupt the seaborne trading system, the backbone of the model global economy, and would use a crude nuclear explosive device or radiological bomb to do so if it could obtain one and position it to go off in a port-city, shipping strait or waterway that plays a key role in international trade. Improving maritime trade is es ..