<a class="mw-redirect" href="https://en.wikipedia.org/wiki/Berthold_Seliger" id="mwrg" rel="mw:WikiLink" title="Berthold Seliger">Berthold Seliger</a> launches a rocket with three stages and a maximum flight altitude of more than <span about="#mwt30" data-mw='{"parts":[{"template":{"target":{"wt":"Convert","href":"./Template:Convert"},"params":{"1":{"wt":"100"},"2":{"wt":"km"}},"i":0}}]}' id="mwrw" typeof="mw:Transclusion">100 kilometres (62</span><span about="#mwt30" typeof="mw:Entity"> </span><span about="#mwt30">mi)</span> near <a href="https://en.wikipedia.org/wiki/Cuxhaven" id="mwsA" rel="mw:WikiLink" title="Cuxhaven">Cuxhaven</a>. It is the only <a href="https://en.wikipedia.org/wiki/Sounding_rocket" id="mwsQ" rel="mw:WikiLink" title="Sounding rocket">sounding rocket</a> developed in Germany.