Vomit comets and 43-foot pools: NASA astronaut training over the decades

It's been 100 years since the founding of NASA's predecessor — the National Advisory Committee for Aeronautics, or NACA While NACA, which was formed in 1915, doesn't have the same recognition that NASA does for, say, landing on the moon or launching Space Shuttles, the organization helped lay the groundwork for U.S. accomplishments in aeronautics and space exploration. During and after World War II, the NACA helped develop vital innovations like retractable landing gear and jet engine compress...