<i id="mwARU"><a href="https://en.wikipedia.org/wiki/Skylab" id="mwARY" rel="mw:WikiLink" title="Skylab">Skylab</a></i>, the United States' first space station, is launched.<sup about="#mwt135" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-25"}}' id="cite_ref-25" rel="dc:references" typeof="mw:Extension/ref"><a href="./May_14#cite_note-25" id="mwARc" style="counter-reset: mw-Ref 25;"><span class="mw-reflink-text" id="mwARg">[25]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-25"><cite about="#mwt132" class="citation book cs1" id="CITEREFKramer2014">Kramer, Herbert J. (2014). <a class="external text" href="https://books.google.com/books?id=Xpr6CAAAQBAJ" id="mwBzU" rel="mw:ExtLink nofollow"><i id="mwBzY">Observation of the Earth and Its Environment: Survey of Missions and Sensors</i></a>. Berlin: <a href="./Springer_Science+Business_Media" id="mwBzc" rel="mw:WikiLink" title="Springer Science+Business Media">Springer Berlin</a>. p.<span id="mwBzg" typeof="mw:Entity"> </span>333. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwBzk" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwBzo" typeof="mw:Entity"> </span><a href="./Special:BookSources/9783642626883" id="mwBzs" rel="mw:WikiLink" title="Special:BookSources/9783642626883"><bdi id="mwBzw">9783642626883</bdi></a>.</cite><span about="#mwt132" class="Z3988" id="mwBz0" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Observation+of+the+Earth+and+Its+Environment%3A+Survey+of+Missions+and+Sensors&amp;rft.place=Berlin&amp;rft.pages=333&amp;rft.pub=Springer+Berlin&amp;rft.date=2014&amp;rft.isbn=9783642626883&amp;rft.aulast=Kramer&amp;rft.aufirst=Herbert+J.&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DXpr6CAAAQBAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMay+14"></span></span>