24 seconds of audio of <a href="https://en.wikipedia.org/wiki/Neil_Armstrong" class="extiw" title="en:Neil Armstrong">Neil Armstrong</a> as he steps onto the surface of the <a href="https://en.wikipedia.org/wiki/moon" class="extiw" title="en:moon">moon</a>, saying, "And, uh, step off the <a href="https://en.wikipedia.org/wiki/Apollo_Lunar_Module" class="extiw" title="en:Apollo Lunar Module">LM</a> now. That's one small step for [a] man, one giant leap for mankind."
Neil Armstrong/NASA
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