The United States military issued these 3M earplugs without knowledge of the defects. These earplugs put thousands of our service men and women at risk of hearing loss. According to news reports, Aearo Technologies, which was acquired by 3M in 2008, was aware of the defects. They hid their findings and became the exclusive provider of earplugs for the U.S. military. Join the 3M Earplug class action lawsuit to get justice for your hearing loss.