测试美国首个载人运载火箭——水星-红石号
A Mercury-Redstone launch vehicle awaits test-firing in the Redstone Test Stand at NASA’s Marshall Space Flight Center in Huntsville, Alabama, in this photo from the late 1950s. Between 1953 and 1960, the rocket team at Redstone Arsenal in Huntsville performed hundreds of test firings on the Redstone rocket – over 200 on the Mercury-Redstone vehicle co...