“@DJSnM @DanAloni @Kell31213876 @Vadim15258417 @Erdayastronaut @sasor098 @AdamHugo @WayCharMar @fan_of_racing @bkent136 @macodiseas @katlinegrey Advanced, reusable rockets are all we need to become a multiplanet civilization. Once we have a city on Mars, interplanetary travel will create a forcing function for vast improvements in spaceflight.”