[quote=@WilsonTurner]
<Snipped quote by Aristo>

They both take up the external hull, though?

Perhaps add something saying that they are compatible with this, or incompatible with that....?
[/quote]

At first, I had no idea what you were talking about but then I saw that the C3 had 'external coat' under mounting. It must have been a holdover from when I was copy/pasting templates. No, the C3 is an internal suite built into the body.