This week in SF history— 23 April 1957: Vandenberg established (wikipedia.org) (astronautix.com)Spaceflight news— Dragon 2 Capsule Explodes during testing (twitter.com/EmreKelly) (nasaspaceflight.com) — Scott Manley’s speculations (slightly outdated) (youtube.com) — A BFRC isn’t great. (theorbitalmechanics.com) — Seen on radar (twitter.com/GISRockstar) — Explosion video (twitter.com/Astronut099) — Unconfirmed reports indicated that the capsule was destroyed. (floridatoday.com/)Short & Sweet— SpaceX loses a booster to rough seas (spaceflightnow.com)— An update on Beresheet (spaceflightnow.com)— Intelsat-29e is declared a total loss (spacenews.com)Interview -- Keri Bean, Systems Engineer— twitter.com/planetarykeri— keribean.com