Double Whammy is a campaign achievement/trophy in Call of Duty: Black Ops on the last campaign level, "Redemption".


There are several moments where the helicopters fly close enough to each other to use one of three tactics. Fire a rocket in between both and manually make it explode, but the Valkyrie rocket has a small damage radius; so the chance of taking down both helicopters is small. Or fire it and hit the higher one causing it to fly into the lower as it crashes, although it is considerably more difficult. The player can also shoot a rocket at one of the helicopters and have it blow up on contact with one helicopter and the blast radius destroy the helicopter, this is highly unlikely. If the attack fails to destroy both helicopters, the quickest way to attempt again would be to commit suicide. 

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