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The massive jet turbine engines that power the world’s largest aircraft have to undergo some very serious testing measure. They need to be able to perform, without fail, under every imaginable circumstance possible. That means they need to have cannons firing high pressure water along with massive amounts of hail. However, they also have to test for the unexpected not matter how rare. In this instance, they need to withstand the impact of a bird entering the engine. This video shows, with very high speed footage, a few frozen bird carcasses actually entering the turbine and getting diced up by the blades. All in the name of safety!