The annual military challenge in Insenborn and Lultzhausen will see 41 teams go head-to-head on an obstacle course around the local barrier lake.

Each participating team is made up of four people. The goal is to complete the obstacle course and its various hurdles as quickly as possible.

Both foreign and domestic teams will take part in the challenge. Members of the Luxembourg Army, the Grand Ducal Police, customs authorities, and the Grand Ducal Fire and Rescue Corps (CGDIS) are registered to be in Insenborn and Lultzhausen on Thursday. Foreign teams are expected from Belgium, France, Germany, and the Netherlands.