NASA Space Shuttle / Signed with actual piece of cargo baySpace Shuttle model signed by last commander. The Space Shuttle is launched in an upright position, with thrust provided by the three Space Shuttle main engines and the two SRBs. About 2 minutes after launch, the two boosters are spent and separate from the external tank. They fall into the ocean at predetermined points and are recovered for reuse. The Space Shuttle main engines continue firing for about 8 minutes. They shut down just before the craft