To an unwitting pig, being strapped into a "Humvee simulator" in the Pentagon probably caused some anxiety. When the scientists covered the swine in armor, that undoubtedly led to lots of squeals. And then, the coup de grace: an imitation of an IED being blown up under the pig, who at that point was probably quite confused. For nearly a year, the Pentagon conducted experiments studying the connection between explosions and brain injuries using porcine subjects. Some wounds suffered in battle left the pigs hurting for 48 hours before oinking for the last time. Scientists claim that pigs' organs are similar to humans, and they needed to determine if soldiers' body armor was effective. One animal rights activist summed up their outrage: "Is this the best they can do after several years of losing soldiers to roadside bombs?"