“@sivanithu @tobyliiiiiiiiii @cabral_psyd @Erdayastronaut @imatsb @thesheetztweetz @SciGuySpace @Some1gee @RocketLab Some of the small launcher activity is cool, especially @rocketlab. Downsides are helicopter retrieval doesn’t scale to bigger rockets & is highly weather-dependent. Also, propulsive landing is needed for moon/Mars. That said, it’s probably right move for small LEO vehicle.”