i have the same issue too Scooby :-/
i got the full WC Saga mod, plus had downloaded the latest files you mentioned... those required and additional files and stuff
and the main body of the lancer is partly invisible with some bits in weird green textures less... areas i suppose...
anyways, the model doesn't look finished :-/
which is especially odd and puzzling because: all the gun turrets are fine, the hangar is fine, etc... and all the other capships i've downloaded like the Olympia, Nova, Jutlanc, etc. they all work fine
it really is only the Lancer :-/