If you’ve been following [Joe Barnard]’s rocketry projects for the past few years, you’ll know that one of his primary goals has been to propulsively land a model rocket like SpaceX.

HUNTSVILLE, Ala. — The U.S. Space & Rocket Center in Huntsville, Alabama will be the launching pad for thousands of model rockets July 16 as part a worldwide celebration to mark the 50th ...