well if you know what Desert combat is then its the same as that but vietnam
Its a Mod for BF1942, just install it and run it, you can fly hueys, chinooks, and all that good ole vietnam stuff, they have great MP maps to, including one from We were soldiers
you can get it from
http://www.fileplanet.com and go to mods and type in either battlefield 1942 or eve of distruction
of file shack has it