Make regular checks on the outside view to check your engines; if your co-pilothas been hit you don't get any warning. Fuel leaks can be critical to thesuccess of a mission. If necessary you need to turn off an engine or two anddrop out of formation to conserve fuel. If your engines are on fire point thenose at the ground and try diving at between 350-400 mph - this is useful inlater levels when one fire extinguisher per engine isn't enough.