![]() “But the shuttle is much more complicated, and it has broken down into teams of specialists for each phase. “Before the space shuttle, you had only a few guys figuring out when to launch, how to rendezvous, and when to reenter,” says NASA flight dynamics officer Phillip Burley, who works on shuttle missions at Johnson Space Center in Houston. This determination is called the launch window, and it has become such a critical part of spaceflight operations that NASA now devotes teams of engineers to the task of getting it just right. Engineers calculate how much time they have-down to the minute or even second-to launch and reach a target for rendezvous. Space shuttle launches work on the same principle, just on a much larger scale and with many more variables.
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