<http://schema.org/alternativeHeadline>
"While this test flight had the Falcon 9R's leg extended during launching and landing, in the future, the legs will only extend upon landing."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/spacexs-reusable-rocket-soars-to-3300-feet-and-lands-without-a-hitch>