Hay I just have one question, In the first lvl of Mercanaries 2
Later in the game you can buy more air strikes, or you can use cheats. To enable cheats, press Back to activate your PDA, then press LB, RB(2), LB, RB, LB(2), RB(3), LB. Then press Back. A message will confirm correct code entry. Then, enter this code at the PDA screen while the PMC on the map is
highlighted to activate the cheat.
Right, Left, Down, Up, Right, Left, Down. This will unlock all the airstrikes except the nuke. To unlock the nuke as well, enter Up, Up, Down, Down, Left, Right, Left, Right.