I'm helping a fellow modeler with a B-24 project. In almost every kit, they list it as a D model. His grandfather flew the H and J models(Sittin' Pretty and the Tough Titty). He'd really like to match one of those planes(I'm building the nose art and other makings for him in vinyl, one of the advantages to owning a graphics business and having a really nice plotter
) My question is, what were the significant differences, and can any of the available kits be modified to be an H or J model?