After studying Empire strikes back, we decided that MRP-246 Light arctic gray was the proper shade for the fuselage.
MM 4795 Panzer swarzgrau for the rear cooling fins, with black shading to the recessed parts.
MM 4723 US Army Hello Drab
FS34031 (F) for the crew tub.
I airbrushed all of them, thinning with MRP thinner