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Originally posted by Airknocker
If you're looking at an airphoto of JSC in Houston, on the west side of the facility there's a big arrow made of concrete. I've heard it points to Edwards AFB, and drawing a line on Google Earth from the base of the arrow to the base confirms this. Any ideas as to what the significance of such a marker would be? If it's for the shuttle, it seems odd, as the shuttle orbits from west to east.