How to shoot down a helicopter in Arma 2

For ground infantry, helicopters are big dumb jerkfaces (this is well-documented in military journals). Lucky for us, we have PC Gamer's Evan Lahti to show us what to do if we ever encounter one of these metal sky beasts... in Arma 2. But Arma 2 is basically the same as real life, so we highly recommend you watch his tutorial above - your life may someday depend on it.