Bill, nice review, thanks! Not to be pedantic (though I guess I am), but most American (and most export too) -1D's were in overall gloss dark sea blue, no white undersides. Some -1's and almost all -1A's had non-specular dark sea blue uppers, intermediate blue sides and undersides of outer wings, and white undersides. This is pretty general and you will, of course, see exceptions; but that's what you'll mostly see.