NASA, rocket and launchpad
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The crawler carrying the SLS rocket and Orion spacecraft was built 60 years ago to haul NASA’s Saturn V rockets, then kept around for the Space Shuttle Program. Now, the vehicle is back to its original purpose of positioning Moon-bound rockets on their launch pads.
The engines, still attached to the rocket's first stage, had been purposely dropped into the Atlantic Ocean after they had flown 38 miles (61 kilometers) high and burnt through their fuel supply. NASA had calculated where the stage impacted the water but considered the hardware lost once it had sunk to the seafloor. [Infographic: Apollo 11 Rocket Engines on Ocean Floor]