Aachen Institute for Nuclear Training (AiNT) organized the 5th. International Conference on Nuclear Decom-missioning at Eurogress Conference Center Aachen (Germany) from November 21th. – 24th. 2016. Approx. 300 designers, operators, general contractors, service contractors, inspectors and scientists from 15 countries worldwide met to discuss, based on specialist presentations, the challenges of decommissioning as well as planning alternatives for individual decommissioning tasks. Beside a Pre-Conference-Workshop and the three-day conference program also an exhibition was arranged.