Desert Combat map extraction

[dynasty]

I downloaded some new Desert Combat maps and they are zip files. Where do I extract them to?

 

[Mutilator]

I assume it's just a .rfa file inside?
If so you put it in C:\Program Files\EA GAMES\Battlefield 1942\Mods\DesertCombat\Archives\bf1942\levels\

 

[Rottie]

where do I find Desert Combat map? I know it is large file.