Thanks, guys!
Thanks for those images, Lyric! I hadn't found the name of Bitter's pilot, either, so the info is much appreciated. I can see the blue is going to be a challenge - so many shades shown depending on the color film and its degradation over time. I often see a greenish-blue, but think that has to do with the age and yellowing of the color film. I think I'll start with a True Blue, and darken it somewhat. Fantastic nose art image of Bitter, btw. The blue in that will be what I try to get to, maybe a little lighter. I think the blue on the plastic model is probably too light...