A Frenchwoman named Claudie Haigneré has already been to space twice. She was the first French woman to go into space, and she has spent a total of 25 days in space. She would be a great candidate for a one-way trip to Mars because she has already proven that she can withstand the physical and mental challenges of space travel. She is also a very experienced astronaut, and she has a lot of knowledge about space exploration. She would be a valuable asset to any mission to Mars.