The US space agency has released a "pre-solicitation" for what is expected to be a hotly contested contract to develop a spacecraft to orbit Mars and relay communications from the red planet back to Earth.
She says she has no regrets about bringing her astronaut career to an end. She made her decision and didn't look back. But there's still a wistful look in her eye when we ask if she'd be tempted if a seat on a spacecraft became free.
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