The existing paired shuttle boosters, once ignited, cannot be controlled.

In the Challenger's explosion case, NASA engineers have confidence in the tests of rubber joints of the shuttle boosters.

Like the current shuttle boosters, the Ares V boosters would fly an almost-identical flight trajectory from launch to splashdown.

The remainder explores the fact that there were strong reasons for concern that the shuttle booster might malfunction.

The F.B.I. investigation is apparently centered in Utah, where Thiokol's Wasatch Operations design and produce the shuttle boosters, along with rockets used by the nation's nuclear missile fleet.

I think I got hit by a shuttle booster.

The company, which built the booster rocket that touched off history's worst space disaster, now has a monopoly on shuttle boosters.

The shuttle booster uses four segments of solid rocket fuel.

Thiokol now has a monopoly on shuttle boosters.

The project gives a 3-D view of objects such as the shuttle boosters, launch pad, and the Vehicle Assembly Building which houses external fuel tanks and flight hardware.