SpaceX sees the 15th Starship test flight as a critical validation of fully reusable rocket technology. The company plans to use the launch tower's mechanical arms to fully recover both the Super Heavy booster that flies the mission and the Starship spacecraft after it reaches orbit and coasts for 22 hours. If successful, this would mark the first complete recovery of an orbital-class launch system. The bar for this mission is extraordinarily high, and the market puts the odds of a successful catch at less than 50%. A fully reusable Starship would solve the cost problem that Falcon 9 leaves unaddressed — Falcon 9 recovers only its first stage — and would support the high-cadence launches needed for a massive Starlink constellation and space-based AI data center spacecraft. How the program progresses is directly tied to the growth of SpaceX's launch and AI infrastructure businesses and will affect its performance in the capital markets.