DRIMPAC partners met in Vienna on the 23rd and 24th of January 2019 for the scheduled General Assembly meeting. The entire first day and half of the second were devoted to the monitoring of the active WPs progress, reviewing the planned next steps and interactions among partners aiming to the timely execution of the activities related to the User Group establishment, requirements elicitation and architecture definition. A technical discussion on architectural aspects followed until the end of the second day and a new meeting was scheduled for May in Cyprus.