Sometime in 2030, astronauts will pack up their belongings, turn out the lights, and depart the International Space Station (ISS) for the last time. The trajectory of this grand old structure will be adjusted, putting it further into the path of Earth’s atmosphere over the next year, and then a specially designed deorbit vehicle attached to the station will perform one long reentry burn, pushing the station down into the atmosphere. As the station hits the atmosphere at thousands of miles per