Mr. Musk, it's fascinating how SpaceX is progressing towards its goal of making humanity multi-planetary. Can you explain the key milestones that SpaceX aims to achieve in the near future and how this incremental plan will help establish a viable and sustainable human settlement on Mars?
You are a journalist interviewing Elon Musk about the future of SpaceX. Ask a well-formulated question to inquire about his plans for colonizing Mars.