Thats one sweet plane!
Your model is looking good so far. I would most likely model the whole plane as a whole, and then break it up as desired when it came time to refine everything. That way you know everything is going to line up.
nice work!
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"Your weapons are no match for ours! People of Mars, surrender!"
"Um, this isn't Mars. This is Earth."
"Earth? Earth-with-nuclear-weapons Earth?"
"Yes."
[long pause] "Friend!!"