Radiation has no odor or taste, and radioactive sources are usually very compact and may be easily masked. However, the threats posed by radioactive material and their effects on those around it can be very grave. Therefore, competent authorities are by law entrusted with implementation of nuclear security measures to detect and eliminate threats posed by illicitly circulating nuclear and other radioactive material, and to control their lawful circulation.

The Nuclear Security Centre of Excellence is responsible for organizing radiation control at the borders which is implemented by the State Border Guard Service, for providing specialized equipment for this purpose, and for supervising these activities.

Stationary radiation detection systems and portable devices are used to detect radioactive and other nuclear material at the state border. The types of detection equipment depend on the local infrastructure and other peculiarities.

Through joint projects and ongoing consultations, NSCOE cooperates with the Nuclear Smuggling Detection and Deterrence Program of the US Department of Energy aiming to develop and improve the nuclear security detection infrastructure and to ensure its sustainability. To this end, the equipment sustainability and maintenance program is implemented and staff is trained.

The Group 8 project is currently underway aiming to upgrade the existing and installing new radiation detection systems at four border crossings at the borders with Belarus and Russia. Group 8 is a cost sharing project between Lithuania and the US.