Prior to re-entry (following a record-setting stay aboard the <a href="https://en.wikipedia.org/wiki/Soviet_Union" id="mw4A" rel="mw:WikiLink" title="Soviet Union">Soviet Union</a>’s <a href="https://en.wikipedia.org/wiki/Salyut_1" id="mw4Q" rel="mw:WikiLink" title="Salyut 1">Salyut 1</a> space station), the crew capsule of the <a href="https://en.wikipedia.org/wiki/Soyuz_11" id="mw4g" rel="mw:WikiLink" title="Soyuz 11">Soyuz 11</a> spacecraft depressurizes, killing the three cosmonauts on board. <a href="https://en.wikipedia.org/wiki/Georgy_Dobrovolsky" id="mw4w" rel="mw:WikiLink" title="Georgy Dobrovolsky">Georgy Dobrovolsky</a>, <a href="https://en.wikipedia.org/wiki/Vladislav_Volkov" id="mw5A" rel="mw:WikiLink" title="Vladislav Volkov">Vladislav Volkov</a> and <a href="https://en.wikipedia.org/wiki/Viktor_Patsayev" id="mw5Q" rel="mw:WikiLink" title="Viktor Patsayev">Viktor Patsayev</a> are the first humans to die in space.<sup about="#mwt69" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-12"}}' id="cite_ref-12" rel="dc:references" typeof="mw:Extension/ref"><a href="./June_29#cite_note-12" id="mw5g" style="counter-reset: mw-Ref 12;"><span class="mw-reflink-text" id="mw5w">[12]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-12"><cite about="#mwt66" class="citation web cs1" id="CITEREFEvans2021">Evans, Ben (30 June 2021). <a class="external text" href="https://www.discovermagazine.com/the-sciences/remembering-the-crew-of-soyuz-11-the-only-astronauts-to-die-in-space" id="mwByI" rel="mw:ExtLink nofollow">"Remembering the Crew of Soyuz 11, the Only Astronauts to Die in Space"</a>. Discover Magazine<span class="reference-accessdate" id="mwByM">. Retrieved <span class="nowrap" id="mwByQ">6 July</span> 2021</span>.</cite><span about="#mwt66" class="Z3988" id="mwByU" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Remembering+the+Crew+of+Soyuz+11%2C+the+Only+Astronauts+to+Die+in+Space&amp;rft.pub=Discover+Magazine&amp;rft.date=2021-06-30&amp;rft.aulast=Evans&amp;rft.aufirst=Ben&amp;rft_id=https%3A%2F%2Fwww.discovermagazine.com%2Fthe-sciences%2Fremembering-the-crew-of-soyuz-11-the-only-astronauts-to-die-in-space&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJune+29"></span></span>