Everyone is looking for a way to leapfrog several years and catch up to—or surpass—Musk. Right now, Leap 71 collaborates with about 15 rocket startups.

The Knoxville Smokies defeated the Rocket City Trash Pandas 8-3 in front of a packed Covenant Health Park crowd July 4, using a three-run sixth inning to take control for a win and improving their ...