Space Shuttle Columbia disaster the seven Columbia astronauts, as well as the other seven crew members who lost their lives in the Space Shuttle "Challenger" disaster in 1986. The concerts were televised to millions throughout Brazil and the world. On March 26, the United States House of Representatives' Science Committee approved funds for the construction of a memorial at Arlington National Cemetery for the STS-107 crew. A similar memorial was built at the cemetery for the last crew of "Challenger". On October 28, 2003, the names of the astronauts were added to the Space Mirror Memorial at the Kennedy Space Center Visitor Complex. On
Space Shuttle main engine to the four-engine configuration and its position in-plane with the SLS booster exhaust nozzles. New ablative insulation and heaters were to be tested during the series. Following these series of tests, four more engines are planned to enter a new test cycle. A new series of tests designed to evaluate performance in SLS use cases was initiated in 2017. 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