The Meteosat Third Generation Sounder (MTG-S1) satellite from the European Oganisation for the Exploration of Meteorological Satellites (EUMETSAT) is encapsulated in SpaceX Falcon 9 payload fairings ahead of launch. Image: SpaceX
A European satellite designed to augment both weather monitoring and assessments of air quality and pollution for Europe and North Africa is preparing to take flight from Florida on Tuesday evening.

