Operation Protect Our Children
Operation Protect Our Children (also called Operation Save Our Children) was a 2011 joint operation by U.S. Immigration and Customs Enforcement, and the U.S. Department of Justice's Child Exploitation and Obscenity Section and Asset Forfeiture and Money Laundering Section to execute "seizure warrants against 10 domain names of websites engaged in the advertisement and distribution of child pornography". The enforcement action was spearheaded by ICE's Cyber Crimes Center (C3).
Source: Wikipedia — Operation Protect Our Children (CC BY-SA 4.0)