Please help me i have just downloaded demo and about to buy game.. But i press ctrl and w to launch missle but it just drops down and does nothing? how do i lock onto a target so it atcually goes.. Thanks alot !!!!!

ctrl-w doesn't launch missiles, it does indeed drop weapons or refill weapons when your on the ground. I think your trying to do alt-w IIRC that's weapons permission override. You have to go through the training mission first in order to get an idea how to fire. Once you locked onto a target, and in range, you can fire.

Space fires weapons in russian planes. it's enter in US planes.