Elon Musk @elonmusk
Good progress, but 18 years to launch our first humans is a long time. Technology must advance faster or there will be no city on the red planet in our lifetime. https://t.co/IsICexqxtV — PolitiTweet.org
Eric Berger @SciGuySpace
If SpaceX launches Crew Dragon by June 4, consider its decade: 2010: Falcon 9, Cargo Dragon debut 2012: Dragon doc… https://t.co/JlTy2Zf24v