Richard Branson's Virgin Orbit will launch a rocket from midair Sunday

Article Excerpt: "... full demonstration launch Sunday, May 24, during a four-hour window that begins at 10 a.m. PT, with a backup window on Monday. The plan is for Cosmic Girl to take off from Mojave Air and Space Port in California and release the LauncherOne rocket over the Pacific Ocean. After a few seconds of free fall, the rocket's engine will ignite in midair for the first time and head toward low earth orbit..."

Reference: www.cnet.com