Changing the Guard: 20 Years Since STS-79 (Part 1)

World record holder Shannon Lucid watches the growth of plants in a Russian greenhouse aboard Mir. This photograph was taken in September 1996, shortly after the crew of STS-79 – including Lucid’s replacement, John Blaha – arrived to bring her home. Photo Credit: NASA

Twenty years ago, this month, an American national record-breaker circled [...]