Editing Challenger Deep (section)

====2020 – ''Fendouzhe''====
{{main|Striver (bathyscaphe)}}

[[File:The chinese submersible Fendouzhe aboard its mother ship Tan Suo Yi Hao.jpg|thumb|upright|''Fendouzhe'' aboard its mother ship ''Tan Suo Yi Hao'']]

''Fendouzhe'' (奋斗者, ''Striver'') is a manned [[China|Chinese]] deep-sea submersible developed by the China Ship Scientific Research Center (CSSRC). Between 10 October and 28 November, 2020, it carried out thirteen dives in the Mariana Trench as part of a test programme. Of these, eight led to depths of more than {{convert|10000|m|ft|0|abbr=on}}. On 10 November 2020, the bottom of the Challenger Deep was reached by ''Fendouzhe'' with three Chinese scientists (Zhāng Wěi 张伟 [pilot], Zhào Yáng 赵洋, and Wáng Zhìqiáng 王治强) onboard whilst live-streaming the descent to a reported depth of {{convert|10909|m|ft|0|abbr=on}}.<ref name="Fendouze3">{{Cite web|title=Chinese submarine reaches the deepest place on Earth|url=https://www.livescience.com/chinese-submarine-record-dive.html|access-date=2021-04-26|website=interestingengineering.com|date=30 November 2020 |language=en-US|archive-date=26 April 2021|archive-url=https://web.archive.org/web/20210426104528/https://www.livescience.com/chinese-submarine-record-dive.html|url-status=live}}</ref><ref name="Fendouze1">{{Cite web|title=Chinese Submersible "Fendouzhe" Descended to Earth's Deepest Oceanic Trench|url=https://www.sciencetimes.com/articles/28350/20201121/chinese-submersible-fendouzhe-descended-earths-deepest-oceanic-trench.htm|access-date=2021-04-26|website=sciencetimes.com|date=21 November 2020 |language=en-US|archive-date=16 September 2021|archive-url=https://web.archive.org/web/20210916190150/https://www.sciencetimes.com/articles/28350/20201121/chinese-submersible-fendouzhe-descended-earths-deepest-oceanic-trench.htm|url-status=live}}</ref> This makes the '' Fendouzhe '' the fourth manned submersible vehicle achieving a successful descent. The pressure hull of ''Fendouzhe'', made from a newly developed titanium alloy, offers space for three people in addition to technical equipment.<ref name="Fendouze2">{{Cite web|title=Chinese Manned Submersible Reaches Deepest Part of Mariana Trench|url=https://interestingengineering.com/chinese-manned-submersible-reaches-deepest-part-of-mariana-trench|access-date=2021-04-26|website=interestingengineering.com|date=26 November 2020 |language=en-US|archive-date=26 April 2021|archive-url=https://web.archive.org/web/20210426104525/https://interestingengineering.com/chinese-manned-submersible-reaches-deepest-part-of-mariana-trench|url-status=live}}</ref> ''Fendouzhe'' is equipped with cameras made by the Norwegian manufacturer Imenco.<ref name="Fendouze8">{{Cite web|title=Imenco in the worlds deepest waters|url=https://imenco.no/imenco-in-the-worlds-deepest-waters|access-date=2021-04-28|website=imenco.no|date=23 November 2020 |language=en-US|archive-date=28 April 2021|archive-url=https://web.archive.org/web/20210428100327/https://imenco.no/imenco-in-the-worlds-deepest-waters|url-status=live}}</ref>
According to Ye Cong 叶聪, the chief designer of the submersible, China's goals for the dive aren't just scientific investigation but also the future use of deep-sea seabed resources.<ref name="Fendouze6">{{Cite web|title=China breaks national record for Mariana Trench manned-dive amid race for deep sea resources|url=https://edition.cnn.com/2020/11/11/asia/china-record-dive-mariana-trench-intl-hnk/index.html|access-date=2021-04-26|website=cnn.com|date=11 November 2020 |language=en-US|archive-date=12 April 2021|archive-url=https://web.archive.org/web/20210412034036/https://edition.cnn.com/2020/11/11/asia/china-record-dive-mariana-trench-intl-hnk/index.html|url-status=live}}</ref><ref name="Fendouze7">{{Cite news|title=Chinese submarine sends first live video back from the bottom of the Mariana Trench|url=https://www.abc.net.au/news/2020-11-29/chinese-sub-reaches-deepest-ocean-trench-mariana-fendouzhe/12932462|access-date=2021-04-27|newspaper=ABC News|date=29 November 2020 |language=en-US|archive-date=24 July 2021|archive-url=https://web.archive.org/web/20210724015107/https://www.abc.net.au/news/2020-11-29/chinese-sub-reaches-deepest-ocean-trench-mariana-fendouzhe/12932462|url-status=live}}</ref>