After weeks teasing renderings and production photos, Elon Musk finally showed off the finished Starship test rocket last night. Starship test flight rocket just finished assembly at the @SpaceX Texas launch site. This is an actual picture, not a rendering. pic.twitter.com/k1HkueoXaz — Elon Musk (@elonmusk) January 11, 2019 As you can well see, the Starship test rocket has a stainless steel skin, which had a few people scratching their heads.