Endeavour's 12-mile road trip kicked off shortly before midnight Thursday as it moved from its Los Angeles International Airport hangar en route to the California Science Center, its ultimate destination, said Benjamin Scheier of the center.

The space craft was escorted by a security entourage as it moved across the tarmac but was briefly delayed after a minor problem developed with its trailer, Los Angeles police Sgt. Rudy Lopez said. The problem was quickly repaired and Scheier said it reached the street shortly after 2 a.m. PDT Friday.

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