You can see all the video blogs from ESA’s CAVES astronaut training course on the CAVES blog page http://blogs.esa.int/caves/, but here’s one from NASA astronaut Jessica Meir…
NASA astronaut Jessica Meir’s video log of the fifth and last full day of the extended exploration phase of ESA’s underground training course CAVES.Six astronauts from China, Japan, USA, Spain and Russia will spend six nights in caves of Sardinia, Italy, to explore the depths and train fo…