Update for this morning...

Last night I glued the lower saucer to the neck. Will need to fill the joint gap with AVES next:

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IMG_4673 by trekriffic, on Flickr

I also sprayed the upper saucer with another shot of the custom hull color. This morning I wet sanded with sanding films before giving it the third and last coat of paint:

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IMG_4665 by trekriffic, on Flickr

The rust ring is sufficiently muted now I think. If I had to I could go back and rub in some Tamiya rust pastel chalks which I might do when I add the weathering streaks using the gunmetal chalk.  Oh, and the gridlines are veeeery subtle too.