In the context of the “Earth Observation Satellite Mission Planning Service” Project, which has been recently included in the Recovery and Resilience Fund (RRF) for Greece (OPS code TA 5201107), the Hellenic Space Center announces an Open International Electronic Tender for a Contract under sub-project (A/A 3) “Cloud-based Geoinformatics System Service”. The documentation of the Tender is available at the following link.