"Sanding" the clear will definitely leave scratches, but that is when the polish comes in. Not floor polish, that can be used later if desired, I mean the paste type of polish, even toothpaste makes a good polish of this type. You'll want to rub the paste with cloth, a LOT, but the scratches left by sanding will be removed eventually. Can use a cotton bugger in a Dremel type tool on low RPM but this runs the risk of ruining things, so be careful and slow if using a power-tool. If using your hands, go to town.

See this "seam" down the center of the F-16 canopy?

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With time and care, the canopy is clearer than before.

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