Between June and October 2018, six launch campaigns of stratospheric balloons were performed worldwide. Twenty succesful balloon missions were made, for the benefit of astronomy, astrophysics, atmospheric sciences, STEM training of students and technology advance. The scientific effort involved three transatlantic balloon flights from Sweden to Canada, a long duration arctic balloon mission from Svalbard to Canada, two flights over Texas, five missions in Ontario and three in Alberta, Canada, eight launches over New Mexico, and two short duration missions in Sweden...