Jonny Kim has participated in over 100 combat missions, become a Harvard-trained physician, and spent 245 days on the International Space Station. In August 2026, at the age of 42, he left NASA to return to the U.S. Navy, continuing a career he himself had repeatedly started over from scratch.
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Jonny Kim has participated in over 100 combat missions, become a Harvard-trained physician, and spent 245 days on the International Space Station. In August 2026, at the age of 42, he left NASA to return to the U.S. Navy, continuing a career he himself had repeatedly started over from scratch.