https://blogs.nasa.gov/spacestation/2020/07/31/crew-dragon-go-for-splashdown-station-science-continues/

https://blogs.nasa.gov/commercialcrew/2020/07/31/nasas-spacex-demo-2-behnken-and-hurley-look-forward-to-return-to-earth/

http://www.gctc.ru/main.php?id=5036

http://www.go-taikonauts.com/en/chinese-space-news/3081-china-opens-first-large-scale-helium-plant-as-it-tries-to-reduce-reliance-on-us-imports

https://blogs.nasa.gov/commercialcrew/2020/07/30/nasa-and-spacex-remain-go-for-splashdown/

https://blogs.nasa.gov/spacestation/2020/07/30/astronauts-talk-to-press-on-friday-before-crew-dragon-departure/

http://feedproxy.google.com/~r/CollectspaceTodayInSpaceHistory/~3/dLpnvKA4pUE/index.html

https://blogs.nasa.gov/commercialcrew/2020/07/30/nasa-astronauts-to-discuss-upcoming-splashdown-in-friday-news-conference/