The scaled-down size means that the Mark one lander, unlike Starship, is not going to have to be refueled before leaving Earth orbit. Demonstrating that refueling technology in orbit will probably be a key exam to validate Starship’s structure. Refueling may also be necessary with the Blue Moon Mark https://trentonxfthq.tinyblogging.com/an-unbiased-view-of-pay-someone-to-take-my-exam-69759662