The U.S. Department of Energy's (DOE) National Nuclear Security Administration (NNSA)established the Global Threat Reduction Initiative’s (GTRI) mission to reduce and protectnuclear and radiological materials located at civilian sites worldwide. Internationally, over 80countries are cooperating with GTRI to enhance security of facilities with these materials. In2004, a GTRI delegation began working with the Tanzania Atomic Energy Commission,(TAEC). The team conducted site assessments for the physical protection of radiologicalmaterials in Tanzania. Today, GTRI and the Government of Tanzania continue cooperativeefforts to enhance physical security at several radiological sites, including a central sealed-sourcestorage facility, and sites in the cities of Arusha, Dar Es Salaam, and Tanga. This paperdescribes the scope of physical protection work, lessons learned, and plans for future cooperationbetween the GTRI program and the TAEC. Additionally the paper will review the cooperativeefforts between TAEC and the International Atomic Energy Agency (IAEA) with regards to aremote monitoring system at a storage facility and to the repackaging of radioactive sources.
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