Test Flights Test Flight Future Plans Reusability Reusable Rockets Milestones Achieved Fourth Flight Goals Design & Specifications Development Strategy Launch Splash-Down Two-Stage Spacecraft Milestone Achievement Environmental Impact Tower Catch Attempt Rapid Reusability Missions to Moon and Mars Propellant Tanker Setup Musk's Innovations Mars Colonization Launches Launch Review Super Heavy Booster Launch Tower Propellant Transfer Maiden Voyage Industry Disruption Launch Delay Wet-Dress Rehearsal Test Launch Technical Goals Launch Test Test Results Previous Tests Stages Milestones Planned Goals Fixes Made Reusable Heat Shield Launch Schedule Launch Objectives Challenges