NERV is a fictional organization from the anime series Neon Genesis Evangelion. It is responsible for defending humanity against mysterious beings known as Angels. NERV operates giant bio-mechanical robots called Evangelions, which are piloted by selected teenagers to combat these threats. The organization is led by Gendo Ikari, who has a complex agenda involving the survival of humanity and the manipulation of human emotions. NERV's headquarters is located in a fortified underground facility, and its operations are shrouded in secrecy, often raising ethical questions about its methods and goals.