The International Conference on Military Communication and Information Systems (ICMCIS) to be held in Bath, United Kingdom 12-13 May 2026, in conjunction with the 57th NATO Science & Technology Organization (STO) Information Systems Technology (IST) Scientific and Technical Committee (STC) Business Meeting. As a NATO STO IST STC activity, ICMCIS 2026 is hosted by Defence Science and Technology Laboratory, part of the UK Ministry of Defence. The ICMCIS is the largest scientific conference in Europe on military CIS. It provides a forum for exchanging ideas and knowledge on the development and implementation of advanced ICTs for military systems.