The first <a href="https://en.wikipedia.org/wiki/Approach_and_Landing_Tests" id="mw4g" rel="mw:WikiLink" title="Approach and Landing Tests">free flight</a> of the <a about="#mwt39" data-mw='{"parts":[{"template":{"target":{"wt":"ship","href":"./Template:Ship"},"params":{"1":{"wt":"Space Shuttle"},"2":{"wt":"Enterprise"}},"i":0}}]}' href="https://en.wikipedia.org/wiki/Space_Shuttle_Enterprise" id="mw4w" rel="mw:WikiLink" title="Space Shuttle Enterprise" typeof="mw:Transclusion">Space Shuttle<span typeof="mw:Entity"> </span><i>Enterprise</i></a>.