Elon Musk posted that it is an honor to have such a great team join SpaceX. Martín Casado, a General Partner at a16z leading its infrastructure practice, retweeted the message and identified his primary public role as venture investing in tech and AI. Katherine Boyle, General Partner at Andreessen Horowitz and co-founder of its American Dynamism practice, replied to the post by tagging Elon Musk, Casado and SpaceX along with emojis. The visible exchange among the accounts centers on the announcement of the team joining the company.