At the beginning of July 2019, a Cooperation Agreement was signed between the Adriatic Aerospace Association and the Northwestern Polytechnical University (NPU) School of Astronautics. The NPU is the most prestigious in astronautics in China with a wide spectrum of activities, which will be a great incentive for the development of the space program in the Republic of Croatia. On the side of the NPU, the Signatory of the Contract is Prof. Dr. Yi Li, Deputy Dean of the School of Astronautics, while on the A3 side the signatories where Prof. Dr. Sc. Slobodan Danko Bosanac, President A3, and Prof. Dr.-Ing. Ognjan Božić.