« All Events This event has passed. DEFTECH-Day 25 August, 2021 « AHORN 2020 Navigation 2021 » DEFTECH-Day Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: 25 August, 2021 Website: https://deftech.ch/non-satellite-navigation-august-25th-2021/ Venue armasuisse W+T Feuerwerkerstr. 39 Thun, 3602