The <a href="https://en.wikipedia.org/wiki/Spirit_(rover)" id="mwAYY" rel="mw:WikiLink" title="Spirit (rover)"><i id="mwAYc">Spirit</i> rover</a> is launched, beginning <a href="https://en.wikipedia.org/wiki/NASA" id="mwAYg" rel="mw:WikiLink" title="NASA">NASA</a>'s <a href="https://en.wikipedia.org/wiki/Mars_Exploration_Rover" id="mwAYk" rel="mw:WikiLink" title="Mars Exploration Rover">Mars Exploration Rover</a> mission.