When will you test orbital refueling?

“We don't need orbital refueling. Unless you're going to the Moon, you need orbital refueling. Going to Mars, you need orbital refueling. Delivering satellites to Earth orbit, you do not need orbital refueling.”

— Elon Musk, 30 July 2021 · Watch: Starbase Tour with Everyday Astronaut — Part 2 · 29:47 ↗