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 external tank will be displayed with Space Shuttle "Endeavour" at the California Science Center when the Samuel Oschin Air and Space Center opens. Three other external tanks were in preparation, when the manufacturing stopped. ET-139 is at advanced stage of manufacturing; ET-140 and ET-141 are in early stages of manufacturing. Space Shuttle external tank A Space Shuttle external tank (ET) was the component of the Space Shuttle launch vehicle that contained the liquid hydrogen fuel and liquid oxygen oxidizer. During lift-off and ascent it supplied the fuel and oxidizer under pressure to the three Space Shuttle Main Engines (SSME) in the orbiter.