Yellow Fever Travel Rules: Costa Rica will require a yellow fever vaccination certificate (digital proof plus the International Certificate of Vaccination) for trips starting Oct 1 to Bolivia, Ecuador, Paraguay, Trinidad and Tobago, Venezuela, Suriname, Guyana, and French Guiana, with key exemptions for children under 9 months, people over 60, pregnancy/breastfeeding, severe egg/gelatin allergy, or severe immunosuppression, and a vaccine timing rule of at least 10 days before travel. Space & Health-Linked Environment Monitoring: Two new European satellites—Sentinel-3C and FLEX—were launched from the European Spaceport in French Guiana on Sept 15, aiming to improve understanding of Earth’s environmental processes, including ocean/land temperature, ocean color for algal bloom tracking, ice and atmosphere observations, and support for wildfire detection and water quality monitoring. Regional Tech Leadership: Konris Maynard was elected President of the Caribbean Telecommunications Union during CTU ICT Week 2026 in French Guiana, continuing his prior role as CTU Vice-President (2024–2026).