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NASA Launches Three Military Drones Into An Active Volcano

• Rebecca Boyle via PopSci.com

Even from high above, volcanoes are difficult to study, because they blow out ash and nasty chemicals that can harm airplane engines. But careful monitoring of volcano behavior can improve computer models that explain how they work, and could even predict how they’ll behave in the future. To get better data, NASA is sending some military drones into the breach, where the robots can do the dirty work for them.

In March, a team from NASA’s Ames Research Center took three electric drones they had obtained from the U.S. Marine Corps and traveled to Costa Rica. The team wanted to study the Turrialba volcano, which has a continuously erupting plume belching out carbon dioxide, sulfur dioxide, water vapor and some other materials. The plume stretches up to 11,000 feet above sea level, and has relatively low wind shear and updraft, so it’s a nice compact plume to study.

The drones were Dragon Eye UAVs, built by drone-maker Aerovironment for military use. They use electric engines, so there was no concern about ash or other harmful materials interfering with their engines.

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