ATRAC held the third training course within the ‘NAMIRS’ project from the 26th to the 30th of June 2023 in Rijeka, Croatia. This course was developed based on IMO OPRC Tier 2 training courses and split into two parts. First part of the training was focused on At-sea response, whereas the second was focused on Oiled shoreline clean-up. The program was made by ATRAC and approved by other project partners. Attendees of this course were members of Civil Protection, Port Authorities (Pula, Rijeka, Split, Senj and Dubrovnik) and VTS Croatia. This course was held on the premises ATRACs office. The first four days of these courses were dedicated to the theoretical part, while the fifth and final day was meant for a ‘Table-top’ exercise. Attendees were given an oil spill scenario in which they had to use given resources to put together an organized response.. The training course was finished with a discussion about the ‘Table-top’ exercise.