https://qz.com/1274923/livestream-watch-spacex-launch-a-satellite-on-the-redesigned-falcon-9-block-v-rocket/ >Elon Musk’s SpaceX will fly Bangladesh’s first satellite into orbit today in a mission that amounts to a dress rehearsal for taking astronauts into orbit. >The flight marks the debut of the “Block 5” version of the Falcon 9 rocket, intended by its designers to be the final iteration, suited for flying ten times or more and carrying humans to the International Space Station.