<a href="https://en.wikipedia.org/wiki/Exploration_Flight_Test-1" id="mwAWg" rel="mw:WikiLink" title="Exploration Flight Test-1">Exploration Flight Test-1</a>, the first flight test of <a href="https://en.wikipedia.org/wiki/Orion_(spacecraft)" id="mwAWk" rel="mw:WikiLink" title="Orion (spacecraft)">Orion</a>, is launched.