<a href="https://en.wikipedia.org/wiki/Joseph_A._Walker" id="mwAQE" rel="mw:WikiLink" title="Joseph A. Walker">Joe Walker</a> flies a <a href="https://en.wikipedia.org/wiki/North_American_X-15" id="mwAQI" rel="mw:WikiLink" title="North American X-15">North American X-15</a> to a record altitude of 106,010 meters (347,800 feet) on <a href="https://en.wikipedia.org/wiki/X-15_Flight_90" id="mwAQM" rel="mw:WikiLink" title="X-15 Flight 90">X-15 Flight 90</a>. Exceeding an altitude of 100<span id="mwAQQ" typeof="mw:Entity"> </span>km, this flight qualifies as a <a href="https://en.wikipedia.org/wiki/Human_spaceflight" id="mwAQU" rel="mw:WikiLink" title="Human spaceflight">human spaceflight</a> under international convention.