Space shuttle Atlantis is lowered alongside its external fuel tank and solid rocket boosters in High Bay-1 of NASA's massive Vehicle Assembly Building.

亚特兰蒂斯号航天飞机的同时降低其外部燃料箱和高湾，美国航天局的大型交通工具装配大楼1固体火箭助推器。

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The space shuttle uses ATK's four-segment solid rocket boosters (SRBs) to do the major part of lifting the shuttle stack off the Earth.

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It's almost the same mix as in the solid-rocket boosters on the Space Shuttle, and it's powerful stuff.

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