The team of European Space Agency (ESA) astronauts have achieved a remarkable feat - they have successfully piloted a helicopter underwater! The underwater flight was part of a special mission to demonstrate the potential of innovative technology for underwater exploration and to simulate a potential future mission to explore Mars. The mission took place in a large pool at ESA’s European Astronaut Centre in Cologne, Germany, and the team used a modified helicopter with two tandem rotors and a waterproof fuselage. After months of preparation and training, the team was able to successfully pilot the underwater helicopter for several minutes, navigating around obstacles in the pool and even performing some aerial maneuvers. This is an exciting breakthrough that could pave the way for further underwater exploration in the future.

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source: Phys.org