SpaceX targets February for third Starship test flight - SpaceNews

"Jensen described an iterative process of flight and ground tests. “That will wind up determining how many missions we need,” she said.

NASA Administrator Bill Nelson then stepped in. “The question was, how many fuel transfers?”

“I will say it will roughly be ten-ish,” Jensen responded. “It could be lower, depending on how well the first flight tests go, or it could be a little bit higher.”"