Bell X-1 rocket plane of the <a href="//commons.wikimedia.org/wiki/United_States_Air_Force" title="United States Air Force">United States Air Force</a> (NASA photography)
Photo by Lt. <a href="https://en.wikipedia.org/wiki/Bob_Hoover" class="extiw" title="w:Bob Hoover">Robert A. Hoover</a>, <a href="//commons.wikimedia.org/wiki/User:Juloml" title="User:Juloml">user:Juloml</a>
<span class="int-own-work" lang="en">Own work</span>