Space Shuttle Challenger disaster recent, real-life Space Shuttle "Challenger" disaster. Punky and her classmates watched the live coverage of the shuttle launch in Mike Fulton's class. After the accident occurred, Punky is traumatized, and finds her dreams to become an astronaut are crushed. She writes a letter to NASA, and is visited by special guest star Buzz Aldrin. Although the episode received high ratings, NBC would, in the following weeks, decide to cancel the show. On the evening of April 5, 1986, the "Rendez-vous Houston" concert commemorated and celebrated the crew of the "Challenger." It featured a live performance by musician Jean Michel Jarre,
Space Shuttle main engine Space Shuttle main engine The Aerojet Rocketdyne RS-25, otherwise known as the Space Shuttle main engine (SSME), is a liquid-fuel cryogenic rocket engine that was used on NASA's Space Shuttle and is planned to be used on its successor, the Space Launch System. Designed and manufactured in the United States by Rocketdyne (later known as Pratt & Whitney Rocketdyne and Aerojet Rocketdyne), the RS-25 burns cryogenic liquid hydrogen and liquid oxygen propellants, with each engine producing of thrust at liftoff. Although the RS-25 can trace its heritage back to the 1960s, concerted development of the engine began in the 1970s,