UACE2021 provides a forum for exchange of recent research results, for discussion of future challenges in implementation and application of underwater acoustic technologies, and the conference displayed the latest advances in instrumentation. The conference comprises a prominent series of structured and regular  oral sessions with invited papers by leading international scientists. The Structured Sessions are organized by key persons actively engage at the forefronts of research in underwater acoustics. In addition, most recent research results will be presented in contributed papers. UACE2021 is the 10th of this series of Conferences and will take place virtually 21-25 June 2021. For more information