Cheers Karl and Kevin, much obliged!
Dan, I started with coating the whole thing in light grey, then I sprayed the white, masked that off, did the camouflage, masked again for the black stripes and some of the camou....
Edit: Forgot to add that I've worked a bit on the D-day stripes, to make them look less 'perfect', painted the wells, cannons....a bit of weathering next.