After the successful flights 10 and 11 saw the last iterations of the so-called block or version 2 of the booster as well as the ship, Booster 18 was destroyed during testing so Starship Flight 12 is using Booster 19 and Ship 39, the first vehicles of block or version 3. Version 3 is capable of orbital flights and prepared to start testing refueling in space and several other capabilities.