Instituto Costarricense de Electricidad Staff with S2

Instituto Costarricense de Electricidad staff in Rincón de la Vieja National Park, Costa Rica, stand next to the S2 Black Swift uncrewed aircraft system (UAS) during the 2025 CRATER field campaign. CRATER (Costa Rica Airborne research on foresT Ecosystem Response to volcanic emissions), is a NASA-led project investigating the use of an uncrewed aircraft for volcanic trace gas sampling, in order to better understand the impact of elevated carbon dioxide emissions on vegetation.